1d613b6a7SJames Smart /******************************************************************* 2d613b6a7SJames Smart * This file is part of the Emulex Linux Device Driver for * 3d613b6a7SJames Smart * Fibre Channsel Host Bus Adapters. * 4d080abe0SJames Smart * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * 5d080abe0SJames Smart * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * 6d613b6a7SJames Smart * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7d613b6a7SJames Smart * EMULEX and SLI are trademarks of Emulex. * 8d080abe0SJames Smart * www.broadcom.com * 9d613b6a7SJames Smart * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10d613b6a7SJames Smart * * 11d613b6a7SJames Smart * This program is free software; you can redistribute it and/or * 12d613b6a7SJames Smart * modify it under the terms of version 2 of the GNU General * 13d613b6a7SJames Smart * Public License as published by the Free Software Foundation. * 14d613b6a7SJames Smart * This program is distributed in the hope that it will be useful. * 15d613b6a7SJames Smart * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16d613b6a7SJames Smart * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17d613b6a7SJames Smart * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18d613b6a7SJames Smart * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19d613b6a7SJames Smart * TO BE LEGALLY INVALID. See the GNU General Public License for * 20d613b6a7SJames Smart * more details, a copy of which can be found in the file COPYING * 21d613b6a7SJames Smart * included with this package. * 22d613b6a7SJames Smart ********************************************************************/ 23d613b6a7SJames Smart #include <linux/pci.h> 24d613b6a7SJames Smart #include <linux/slab.h> 25d613b6a7SJames Smart #include <linux/interrupt.h> 26d613b6a7SJames Smart #include <linux/delay.h> 27d613b6a7SJames Smart #include <asm/unaligned.h> 28d613b6a7SJames Smart #include <linux/crc-t10dif.h> 29d613b6a7SJames Smart #include <net/checksum.h> 30d613b6a7SJames Smart 31d613b6a7SJames Smart #include <scsi/scsi.h> 32d613b6a7SJames Smart #include <scsi/scsi_device.h> 33d613b6a7SJames Smart #include <scsi/scsi_eh.h> 34d613b6a7SJames Smart #include <scsi/scsi_host.h> 35d613b6a7SJames Smart #include <scsi/scsi_tcq.h> 36d613b6a7SJames Smart #include <scsi/scsi_transport_fc.h> 37d613b6a7SJames Smart #include <scsi/fc/fc_fs.h> 38d613b6a7SJames Smart 39d613b6a7SJames Smart #include <../drivers/nvme/host/nvme.h> 40d613b6a7SJames Smart #include <linux/nvme-fc-driver.h> 41d613b6a7SJames Smart 42d613b6a7SJames Smart #include "lpfc_version.h" 43d613b6a7SJames Smart #include "lpfc_hw4.h" 44d613b6a7SJames Smart #include "lpfc_hw.h" 45d613b6a7SJames Smart #include "lpfc_sli.h" 46d613b6a7SJames Smart #include "lpfc_sli4.h" 47d613b6a7SJames Smart #include "lpfc_nl.h" 48d613b6a7SJames Smart #include "lpfc_disc.h" 49d613b6a7SJames Smart #include "lpfc.h" 50d613b6a7SJames Smart #include "lpfc_scsi.h" 51d613b6a7SJames Smart #include "lpfc_nvme.h" 52d613b6a7SJames Smart #include "lpfc_nvmet.h" 53d613b6a7SJames Smart #include "lpfc_logmsg.h" 54d613b6a7SJames Smart #include "lpfc_crtn.h" 55d613b6a7SJames Smart #include "lpfc_vport.h" 562b65e182SJames Smart #include "lpfc_debugfs.h" 57d613b6a7SJames Smart 58d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *, 59d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 60d613b6a7SJames Smart dma_addr_t rspbuf, 61d613b6a7SJames Smart uint16_t rspsize); 62d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *, 63d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *); 64d613b6a7SJames Smart static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *, 65d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 66d613b6a7SJames Smart uint32_t, uint16_t); 67d613b6a7SJames Smart static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *, 68d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 69d613b6a7SJames Smart uint32_t, uint16_t); 70d613b6a7SJames Smart static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *, 71d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 72d613b6a7SJames Smart uint32_t, uint16_t); 73d613b6a7SJames Smart 7486c67379SJames Smart void 7586c67379SJames Smart lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp) 7686c67379SJames Smart { 7786c67379SJames Smart unsigned long iflag; 7886c67379SJames Smart 79e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 8086c67379SJames Smart "6313 NVMET Defer ctx release xri x%x flg x%x\n", 8186c67379SJames Smart ctxp->oxid, ctxp->flag); 8286c67379SJames Smart 8386c67379SJames Smart spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); 8486c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) { 8586c67379SJames Smart spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, 8686c67379SJames Smart iflag); 8786c67379SJames Smart return; 8886c67379SJames Smart } 8986c67379SJames Smart ctxp->flag |= LPFC_NVMET_CTX_RLS; 9086c67379SJames Smart list_add_tail(&ctxp->list, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); 9186c67379SJames Smart spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); 9286c67379SJames Smart } 9386c67379SJames Smart 94d613b6a7SJames Smart /** 95d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response 96d613b6a7SJames Smart * @phba: Pointer to HBA context object. 97d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 98d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 99d613b6a7SJames Smart * 100d613b6a7SJames Smart * The function is called from SLI ring event handler with no 101d613b6a7SJames Smart * lock held. This function is the completion handler for NVME LS commands 102d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 103d613b6a7SJames Smart **/ 104d613b6a7SJames Smart static void 105d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 106d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 107d613b6a7SJames Smart { 108d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 109d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp; 110d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 111d613b6a7SJames Smart uint32_t status, result; 112d613b6a7SJames Smart 113d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 114d613b6a7SJames Smart result = wcqe->parameter; 115ce1b591cSJames Smart ctxp = cmdwqe->context2; 116ce1b591cSJames Smart 117ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) { 118ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 119ce1b591cSJames Smart "6410 NVMET LS cmpl state mismatch IO x%x: " 120ce1b591cSJames Smart "%d %d\n", 121ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 122ce1b591cSJames Smart } 123ce1b591cSJames Smart 124d613b6a7SJames Smart if (!phba->targetport) 125d613b6a7SJames Smart goto out; 126d613b6a7SJames Smart 127d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 128d613b6a7SJames Smart 129d613b6a7SJames Smart if (status) 130d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_error); 131d613b6a7SJames Smart else 132d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_cmpl); 133d613b6a7SJames Smart 134d613b6a7SJames Smart out: 135d613b6a7SJames Smart rsp = &ctxp->ctx.ls_req; 136d613b6a7SJames Smart 1372b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n", 1382b65e182SJames Smart ctxp->oxid, status, result); 1392b65e182SJames Smart 140d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 141ce1b591cSJames Smart "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n", 142ce1b591cSJames Smart status, result, ctxp->oxid); 143d613b6a7SJames Smart 144d613b6a7SJames Smart lpfc_nlp_put(cmdwqe->context1); 145d613b6a7SJames Smart cmdwqe->context2 = NULL; 146d613b6a7SJames Smart cmdwqe->context3 = NULL; 147d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 148d613b6a7SJames Smart rsp->done(rsp); 149d613b6a7SJames Smart kfree(ctxp); 150d613b6a7SJames Smart } 151d613b6a7SJames Smart 152d613b6a7SJames Smart /** 1536c621a22SJames Smart * lpfc_nvmet_ctxbuf_post - Repost a NVMET RQ DMA buffer and clean up context 154d613b6a7SJames Smart * @phba: HBA buffer is associated with 155d613b6a7SJames Smart * @ctxp: context to clean up 156d613b6a7SJames Smart * @mp: Buffer to free 157d613b6a7SJames Smart * 158d613b6a7SJames Smart * Description: Frees the given DMA buffer in the appropriate way given by 159d613b6a7SJames Smart * reposting it to its associated RQ so it can be reused. 160d613b6a7SJames Smart * 161d613b6a7SJames Smart * Notes: Takes phba->hbalock. Can be called with or without other locks held. 162d613b6a7SJames Smart * 163d613b6a7SJames Smart * Returns: None 164d613b6a7SJames Smart **/ 165d613b6a7SJames Smart void 1666c621a22SJames Smart lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) 167d613b6a7SJames Smart { 168eeeb51d8SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1696c621a22SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 170a8cf5dfeSJames Smart struct lpfc_nvmet_tgtport *tgtp; 171a8cf5dfeSJames Smart struct fc_frame_header *fc_hdr; 172a8cf5dfeSJames Smart struct rqb_dmabuf *nvmebuf; 17366d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 174a8cf5dfeSJames Smart uint32_t *payload; 175a8cf5dfeSJames Smart uint32_t size, oxid, sid, rc; 17666d7ce93SDick Kennedy int cpu; 1776c621a22SJames Smart unsigned long iflag; 17886c67379SJames Smart 179d613b6a7SJames Smart if (ctxp->txrdy) { 180771db5c0SRomain Perier dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, 181d613b6a7SJames Smart ctxp->txrdy_phys); 182d613b6a7SJames Smart ctxp->txrdy = NULL; 183d613b6a7SJames Smart ctxp->txrdy_phys = 0; 184d613b6a7SJames Smart } 185ce1b591cSJames Smart 186ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 187ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 188ce1b591cSJames Smart "6411 NVMET free, already free IO x%x: %d %d\n", 189ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 190ce1b591cSJames Smart } 191d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_FREE; 1926c621a22SJames Smart 193a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 194a8cf5dfeSJames Smart if (phba->sli4_hba.nvmet_io_wait_cnt) { 195a8cf5dfeSJames Smart list_remove_head(&phba->sli4_hba.lpfc_nvmet_io_wait_list, 196a8cf5dfeSJames Smart nvmebuf, struct rqb_dmabuf, 197a8cf5dfeSJames Smart hbuf.list); 198a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt--; 199a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 200a8cf5dfeSJames Smart iflag); 201a8cf5dfeSJames Smart 202a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 203a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 204a8cf5dfeSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 205a8cf5dfeSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 206a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 207a8cf5dfeSJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 208a8cf5dfeSJames Smart 209a8cf5dfeSJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 210a8cf5dfeSJames Smart ctxp->wqeq = NULL; 211a8cf5dfeSJames Smart ctxp->txrdy = NULL; 212a8cf5dfeSJames Smart ctxp->offset = 0; 213a8cf5dfeSJames Smart ctxp->phba = phba; 214a8cf5dfeSJames Smart ctxp->size = size; 215a8cf5dfeSJames Smart ctxp->oxid = oxid; 216a8cf5dfeSJames Smart ctxp->sid = sid; 217a8cf5dfeSJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 218a8cf5dfeSJames Smart ctxp->entry_cnt = 1; 219a8cf5dfeSJames Smart ctxp->flag = 0; 220a8cf5dfeSJames Smart ctxp->ctxbuf = ctx_buf; 221a8cf5dfeSJames Smart spin_lock_init(&ctxp->ctxlock); 222a8cf5dfeSJames Smart 223a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 224c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 225a8cf5dfeSJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 226a8cf5dfeSJames Smart ctxp->ts_nvme_data = 0; 227a8cf5dfeSJames Smart ctxp->ts_data_wqput = 0; 228a8cf5dfeSJames Smart ctxp->ts_isr_data = 0; 229a8cf5dfeSJames Smart ctxp->ts_data_nvme = 0; 230a8cf5dfeSJames Smart ctxp->ts_nvme_status = 0; 231a8cf5dfeSJames Smart ctxp->ts_status_wqput = 0; 232a8cf5dfeSJames Smart ctxp->ts_isr_status = 0; 233a8cf5dfeSJames Smart ctxp->ts_status_nvme = 0; 234d613b6a7SJames Smart } 235a8cf5dfeSJames Smart #endif 236a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 237a8cf5dfeSJames Smart /* 238a8cf5dfeSJames Smart * The calling sequence should be: 239a8cf5dfeSJames Smart * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done 240a8cf5dfeSJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 241a8cf5dfeSJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info 242a8cf5dfeSJames Smart * the NVME command / FC header is stored. 243a8cf5dfeSJames Smart * A buffer has already been reposted for this IO, so just free 244a8cf5dfeSJames Smart * the nvmebuf. 245a8cf5dfeSJames Smart */ 246a8cf5dfeSJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 247a8cf5dfeSJames Smart payload, size); 248a8cf5dfeSJames Smart 249a8cf5dfeSJames Smart /* Process FCP command */ 250a8cf5dfeSJames Smart if (rc == 0) { 251a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 252a8cf5dfeSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 253a8cf5dfeSJames Smart return; 254a8cf5dfeSJames Smart } 255a8cf5dfeSJames Smart 256a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 257a8cf5dfeSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 258a8cf5dfeSJames Smart "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 259a8cf5dfeSJames Smart ctxp->oxid, rc, 260a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 261a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 262a8cf5dfeSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 263a8cf5dfeSJames Smart 264a8cf5dfeSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 265a8cf5dfeSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 266a8cf5dfeSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 267a8cf5dfeSJames Smart return; 268a8cf5dfeSJames Smart } 269a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 270a8cf5dfeSJames Smart 27166d7ce93SDick Kennedy /* 27266d7ce93SDick Kennedy * Use the CPU context list, from the MRQ the IO was received on 27366d7ce93SDick Kennedy * (ctxp->idx), to save context structure. 27466d7ce93SDick Kennedy */ 27566d7ce93SDick Kennedy cpu = smp_processor_id(); 27666d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx); 27766d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag); 27866d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 27966d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 28066d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag); 281eeeb51d8SJames Smart #endif 282d613b6a7SJames Smart } 283d613b6a7SJames Smart 2842b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2852b65e182SJames Smart static void 2862b65e182SJames Smart lpfc_nvmet_ktime(struct lpfc_hba *phba, 2872b65e182SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 2882b65e182SJames Smart { 2892b65e182SJames Smart uint64_t seg1, seg2, seg3, seg4, seg5; 2902b65e182SJames Smart uint64_t seg6, seg7, seg8, seg9, seg10; 291c8a4ce0bSDick Kennedy uint64_t segsum; 2922b65e182SJames Smart 2932b65e182SJames Smart if (!ctxp->ts_isr_cmd || !ctxp->ts_cmd_nvme || 2942b65e182SJames Smart !ctxp->ts_nvme_data || !ctxp->ts_data_wqput || 2952b65e182SJames Smart !ctxp->ts_isr_data || !ctxp->ts_data_nvme || 2962b65e182SJames Smart !ctxp->ts_nvme_status || !ctxp->ts_status_wqput || 2972b65e182SJames Smart !ctxp->ts_isr_status || !ctxp->ts_status_nvme) 2982b65e182SJames Smart return; 2992b65e182SJames Smart 300c8a4ce0bSDick Kennedy if (ctxp->ts_status_nvme < ctxp->ts_isr_cmd) 301c8a4ce0bSDick Kennedy return; 3022b65e182SJames Smart if (ctxp->ts_isr_cmd > ctxp->ts_cmd_nvme) 3032b65e182SJames Smart return; 3042b65e182SJames Smart if (ctxp->ts_cmd_nvme > ctxp->ts_nvme_data) 3052b65e182SJames Smart return; 3062b65e182SJames Smart if (ctxp->ts_nvme_data > ctxp->ts_data_wqput) 3072b65e182SJames Smart return; 3082b65e182SJames Smart if (ctxp->ts_data_wqput > ctxp->ts_isr_data) 3092b65e182SJames Smart return; 3102b65e182SJames Smart if (ctxp->ts_isr_data > ctxp->ts_data_nvme) 3112b65e182SJames Smart return; 3122b65e182SJames Smart if (ctxp->ts_data_nvme > ctxp->ts_nvme_status) 3132b65e182SJames Smart return; 3142b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_status_wqput) 3152b65e182SJames Smart return; 3162b65e182SJames Smart if (ctxp->ts_status_wqput > ctxp->ts_isr_status) 3172b65e182SJames Smart return; 3182b65e182SJames Smart if (ctxp->ts_isr_status > ctxp->ts_status_nvme) 3192b65e182SJames Smart return; 3202b65e182SJames Smart /* 3212b65e182SJames Smart * Segment 1 - Time from FCP command received by MSI-X ISR 3222b65e182SJames Smart * to FCP command is passed to NVME Layer. 3232b65e182SJames Smart * Segment 2 - Time from FCP command payload handed 3242b65e182SJames Smart * off to NVME Layer to Driver receives a Command op 3252b65e182SJames Smart * from NVME Layer. 3262b65e182SJames Smart * Segment 3 - Time from Driver receives a Command op 3272b65e182SJames Smart * from NVME Layer to Command is put on WQ. 3282b65e182SJames Smart * Segment 4 - Time from Driver WQ put is done 3292b65e182SJames Smart * to MSI-X ISR for Command cmpl. 3302b65e182SJames Smart * Segment 5 - Time from MSI-X ISR for Command cmpl to 3312b65e182SJames Smart * Command cmpl is passed to NVME Layer. 3322b65e182SJames Smart * Segment 6 - Time from Command cmpl is passed to NVME 3332b65e182SJames Smart * Layer to Driver receives a RSP op from NVME Layer. 3342b65e182SJames Smart * Segment 7 - Time from Driver receives a RSP op from 3352b65e182SJames Smart * NVME Layer to WQ put is done on TRSP FCP Status. 3362b65e182SJames Smart * Segment 8 - Time from Driver WQ put is done on TRSP 3372b65e182SJames Smart * FCP Status to MSI-X ISR for TRSP cmpl. 3382b65e182SJames Smart * Segment 9 - Time from MSI-X ISR for TRSP cmpl to 3392b65e182SJames Smart * TRSP cmpl is passed to NVME Layer. 3402b65e182SJames Smart * Segment 10 - Time from FCP command received by 3412b65e182SJames Smart * MSI-X ISR to command is completed on wire. 3422b65e182SJames Smart * (Segments 1 thru 8) for READDATA / WRITEDATA 3432b65e182SJames Smart * (Segments 1 thru 4) for READDATA_RSP 3442b65e182SJames Smart */ 3452b65e182SJames Smart seg1 = ctxp->ts_cmd_nvme - ctxp->ts_isr_cmd; 346c8a4ce0bSDick Kennedy segsum = seg1; 347c8a4ce0bSDick Kennedy 348c8a4ce0bSDick Kennedy seg2 = ctxp->ts_nvme_data - ctxp->ts_isr_cmd; 349c8a4ce0bSDick Kennedy if (segsum > seg2) 350c8a4ce0bSDick Kennedy return; 351c8a4ce0bSDick Kennedy seg2 -= segsum; 352c8a4ce0bSDick Kennedy segsum += seg2; 353c8a4ce0bSDick Kennedy 354c8a4ce0bSDick Kennedy seg3 = ctxp->ts_data_wqput - ctxp->ts_isr_cmd; 355c8a4ce0bSDick Kennedy if (segsum > seg3) 356c8a4ce0bSDick Kennedy return; 357c8a4ce0bSDick Kennedy seg3 -= segsum; 358c8a4ce0bSDick Kennedy segsum += seg3; 359c8a4ce0bSDick Kennedy 360c8a4ce0bSDick Kennedy seg4 = ctxp->ts_isr_data - ctxp->ts_isr_cmd; 361c8a4ce0bSDick Kennedy if (segsum > seg4) 362c8a4ce0bSDick Kennedy return; 363c8a4ce0bSDick Kennedy seg4 -= segsum; 364c8a4ce0bSDick Kennedy segsum += seg4; 365c8a4ce0bSDick Kennedy 366c8a4ce0bSDick Kennedy seg5 = ctxp->ts_data_nvme - ctxp->ts_isr_cmd; 367c8a4ce0bSDick Kennedy if (segsum > seg5) 368c8a4ce0bSDick Kennedy return; 369c8a4ce0bSDick Kennedy seg5 -= segsum; 370c8a4ce0bSDick Kennedy segsum += seg5; 371c8a4ce0bSDick Kennedy 3722b65e182SJames Smart 3732b65e182SJames Smart /* For auto rsp commands seg6 thru seg10 will be 0 */ 3742b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_data_nvme) { 375c8a4ce0bSDick Kennedy seg6 = ctxp->ts_nvme_status - ctxp->ts_isr_cmd; 376c8a4ce0bSDick Kennedy if (segsum > seg6) 377c8a4ce0bSDick Kennedy return; 378c8a4ce0bSDick Kennedy seg6 -= segsum; 379c8a4ce0bSDick Kennedy segsum += seg6; 380c8a4ce0bSDick Kennedy 381c8a4ce0bSDick Kennedy seg7 = ctxp->ts_status_wqput - ctxp->ts_isr_cmd; 382c8a4ce0bSDick Kennedy if (segsum > seg7) 383c8a4ce0bSDick Kennedy return; 384c8a4ce0bSDick Kennedy seg7 -= segsum; 385c8a4ce0bSDick Kennedy segsum += seg7; 386c8a4ce0bSDick Kennedy 387c8a4ce0bSDick Kennedy seg8 = ctxp->ts_isr_status - ctxp->ts_isr_cmd; 388c8a4ce0bSDick Kennedy if (segsum > seg8) 389c8a4ce0bSDick Kennedy return; 390c8a4ce0bSDick Kennedy seg8 -= segsum; 391c8a4ce0bSDick Kennedy segsum += seg8; 392c8a4ce0bSDick Kennedy 393c8a4ce0bSDick Kennedy seg9 = ctxp->ts_status_nvme - ctxp->ts_isr_cmd; 394c8a4ce0bSDick Kennedy if (segsum > seg9) 395c8a4ce0bSDick Kennedy return; 396c8a4ce0bSDick Kennedy seg9 -= segsum; 397c8a4ce0bSDick Kennedy segsum += seg9; 398c8a4ce0bSDick Kennedy 399c8a4ce0bSDick Kennedy if (ctxp->ts_isr_status < ctxp->ts_isr_cmd) 400c8a4ce0bSDick Kennedy return; 4012b65e182SJames Smart seg10 = (ctxp->ts_isr_status - 4022b65e182SJames Smart ctxp->ts_isr_cmd); 4032b65e182SJames Smart } else { 404c8a4ce0bSDick Kennedy if (ctxp->ts_isr_data < ctxp->ts_isr_cmd) 405c8a4ce0bSDick Kennedy return; 4062b65e182SJames Smart seg6 = 0; 4072b65e182SJames Smart seg7 = 0; 4082b65e182SJames Smart seg8 = 0; 4092b65e182SJames Smart seg9 = 0; 4102b65e182SJames Smart seg10 = (ctxp->ts_isr_data - ctxp->ts_isr_cmd); 4112b65e182SJames Smart } 4122b65e182SJames Smart 4132b65e182SJames Smart phba->ktime_seg1_total += seg1; 4142b65e182SJames Smart if (seg1 < phba->ktime_seg1_min) 4152b65e182SJames Smart phba->ktime_seg1_min = seg1; 4162b65e182SJames Smart else if (seg1 > phba->ktime_seg1_max) 4172b65e182SJames Smart phba->ktime_seg1_max = seg1; 4182b65e182SJames Smart 4192b65e182SJames Smart phba->ktime_seg2_total += seg2; 4202b65e182SJames Smart if (seg2 < phba->ktime_seg2_min) 4212b65e182SJames Smart phba->ktime_seg2_min = seg2; 4222b65e182SJames Smart else if (seg2 > phba->ktime_seg2_max) 4232b65e182SJames Smart phba->ktime_seg2_max = seg2; 4242b65e182SJames Smart 4252b65e182SJames Smart phba->ktime_seg3_total += seg3; 4262b65e182SJames Smart if (seg3 < phba->ktime_seg3_min) 4272b65e182SJames Smart phba->ktime_seg3_min = seg3; 4282b65e182SJames Smart else if (seg3 > phba->ktime_seg3_max) 4292b65e182SJames Smart phba->ktime_seg3_max = seg3; 4302b65e182SJames Smart 4312b65e182SJames Smart phba->ktime_seg4_total += seg4; 4322b65e182SJames Smart if (seg4 < phba->ktime_seg4_min) 4332b65e182SJames Smart phba->ktime_seg4_min = seg4; 4342b65e182SJames Smart else if (seg4 > phba->ktime_seg4_max) 4352b65e182SJames Smart phba->ktime_seg4_max = seg4; 4362b65e182SJames Smart 4372b65e182SJames Smart phba->ktime_seg5_total += seg5; 4382b65e182SJames Smart if (seg5 < phba->ktime_seg5_min) 4392b65e182SJames Smart phba->ktime_seg5_min = seg5; 4402b65e182SJames Smart else if (seg5 > phba->ktime_seg5_max) 4412b65e182SJames Smart phba->ktime_seg5_max = seg5; 4422b65e182SJames Smart 4432b65e182SJames Smart phba->ktime_data_samples++; 4442b65e182SJames Smart if (!seg6) 4452b65e182SJames Smart goto out; 4462b65e182SJames Smart 4472b65e182SJames Smart phba->ktime_seg6_total += seg6; 4482b65e182SJames Smart if (seg6 < phba->ktime_seg6_min) 4492b65e182SJames Smart phba->ktime_seg6_min = seg6; 4502b65e182SJames Smart else if (seg6 > phba->ktime_seg6_max) 4512b65e182SJames Smart phba->ktime_seg6_max = seg6; 4522b65e182SJames Smart 4532b65e182SJames Smart phba->ktime_seg7_total += seg7; 4542b65e182SJames Smart if (seg7 < phba->ktime_seg7_min) 4552b65e182SJames Smart phba->ktime_seg7_min = seg7; 4562b65e182SJames Smart else if (seg7 > phba->ktime_seg7_max) 4572b65e182SJames Smart phba->ktime_seg7_max = seg7; 4582b65e182SJames Smart 4592b65e182SJames Smart phba->ktime_seg8_total += seg8; 4602b65e182SJames Smart if (seg8 < phba->ktime_seg8_min) 4612b65e182SJames Smart phba->ktime_seg8_min = seg8; 4622b65e182SJames Smart else if (seg8 > phba->ktime_seg8_max) 4632b65e182SJames Smart phba->ktime_seg8_max = seg8; 4642b65e182SJames Smart 4652b65e182SJames Smart phba->ktime_seg9_total += seg9; 4662b65e182SJames Smart if (seg9 < phba->ktime_seg9_min) 4672b65e182SJames Smart phba->ktime_seg9_min = seg9; 4682b65e182SJames Smart else if (seg9 > phba->ktime_seg9_max) 4692b65e182SJames Smart phba->ktime_seg9_max = seg9; 4702b65e182SJames Smart out: 4712b65e182SJames Smart phba->ktime_seg10_total += seg10; 4722b65e182SJames Smart if (seg10 < phba->ktime_seg10_min) 4732b65e182SJames Smart phba->ktime_seg10_min = seg10; 4742b65e182SJames Smart else if (seg10 > phba->ktime_seg10_max) 4752b65e182SJames Smart phba->ktime_seg10_max = seg10; 4762b65e182SJames Smart phba->ktime_status_samples++; 4772b65e182SJames Smart } 4782b65e182SJames Smart #endif 4792b65e182SJames Smart 480d613b6a7SJames Smart /** 481d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response 482d613b6a7SJames Smart * @phba: Pointer to HBA context object. 483d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 484d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 485d613b6a7SJames Smart * 486d613b6a7SJames Smart * The function is called from SLI ring event handler with no 487d613b6a7SJames Smart * lock held. This function is the completion handler for NVME FCP commands 488d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 489d613b6a7SJames Smart **/ 490d613b6a7SJames Smart static void 491d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 492d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 493d613b6a7SJames Smart { 494d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 495d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp; 496d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 497e3246a12SJames Smart uint32_t status, result, op, start_clean, logerr; 4982b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 4992b65e182SJames Smart uint32_t id; 5002b65e182SJames Smart #endif 501d613b6a7SJames Smart 502d613b6a7SJames Smart ctxp = cmdwqe->context2; 50386c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_IO_INP; 50486c67379SJames Smart 505d613b6a7SJames Smart rsp = &ctxp->ctx.fcp_req; 506d613b6a7SJames Smart op = rsp->op; 507d613b6a7SJames Smart 508d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 509d613b6a7SJames Smart result = wcqe->parameter; 510d613b6a7SJames Smart 51186c67379SJames Smart if (phba->targetport) 51286c67379SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 51386c67379SJames Smart else 51486c67379SJames Smart tgtp = NULL; 515d613b6a7SJames Smart 5162b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMPL: xri x%x op x%x status x%x\n", 5172b65e182SJames Smart ctxp->oxid, op, status); 5182b65e182SJames Smart 519d613b6a7SJames Smart if (status) { 520d613b6a7SJames Smart rsp->fcp_error = NVME_SC_DATA_XFER_ERROR; 521d613b6a7SJames Smart rsp->transferred_length = 0; 52286c67379SJames Smart if (tgtp) 523d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_error); 52486c67379SJames Smart 525e3246a12SJames Smart logerr = LOG_NVME_IOERR; 526e3246a12SJames Smart 52786c67379SJames Smart /* pick up SLI4 exhange busy condition */ 52886c67379SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) { 52986c67379SJames Smart ctxp->flag |= LPFC_NVMET_XBUSY; 530e3246a12SJames Smart logerr |= LOG_NVME_ABTS; 53186c67379SJames Smart 53286c67379SJames Smart } else { 53386c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 53486c67379SJames Smart } 53586c67379SJames Smart 536e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, logerr, 537e3246a12SJames Smart "6315 IO Error Cmpl xri x%x: %x/%x XBUSY:x%x\n", 538e3246a12SJames Smart ctxp->oxid, status, result, ctxp->flag); 539e3246a12SJames Smart 540d613b6a7SJames Smart } else { 541d613b6a7SJames Smart rsp->fcp_error = NVME_SC_SUCCESS; 542d613b6a7SJames Smart if (op == NVMET_FCOP_RSP) 543d613b6a7SJames Smart rsp->transferred_length = rsp->rsplen; 544d613b6a7SJames Smart else 545d613b6a7SJames Smart rsp->transferred_length = rsp->transfer_length; 54686c67379SJames Smart if (tgtp) 547d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_cmpl); 548d613b6a7SJames Smart } 549d613b6a7SJames Smart 550d613b6a7SJames Smart if ((op == NVMET_FCOP_READDATA_RSP) || 551d613b6a7SJames Smart (op == NVMET_FCOP_RSP)) { 552d613b6a7SJames Smart /* Sanity check */ 553d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 554d613b6a7SJames Smart ctxp->entry_cnt++; 55586c67379SJames Smart 5562b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 557c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 5582b65e182SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 5592b65e182SJames Smart ctxp->ts_isr_data = 5602b65e182SJames Smart cmdwqe->isr_timestamp; 5612b65e182SJames Smart ctxp->ts_data_nvme = 5622b65e182SJames Smart ktime_get_ns(); 5632b65e182SJames Smart ctxp->ts_nvme_status = 5642b65e182SJames Smart ctxp->ts_data_nvme; 5652b65e182SJames Smart ctxp->ts_status_wqput = 5662b65e182SJames Smart ctxp->ts_data_nvme; 5672b65e182SJames Smart ctxp->ts_isr_status = 5682b65e182SJames Smart ctxp->ts_data_nvme; 5692b65e182SJames Smart ctxp->ts_status_nvme = 5702b65e182SJames Smart ctxp->ts_data_nvme; 5712b65e182SJames Smart } else { 5722b65e182SJames Smart ctxp->ts_isr_status = 5732b65e182SJames Smart cmdwqe->isr_timestamp; 5742b65e182SJames Smart ctxp->ts_status_nvme = 5752b65e182SJames Smart ktime_get_ns(); 5762b65e182SJames Smart } 5772b65e182SJames Smart } 5782b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 5792b65e182SJames Smart id = smp_processor_id(); 5802b65e182SJames Smart if (ctxp->cpu != id) 5812b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 5822b65e182SJames Smart "6703 CPU Check cmpl: " 5832b65e182SJames Smart "cpu %d expect %d\n", 5842b65e182SJames Smart id, ctxp->cpu); 5852b65e182SJames Smart if (ctxp->cpu < LPFC_CHECK_CPU_CNT) 5862b65e182SJames Smart phba->cpucheck_cmpl_io[id]++; 5872b65e182SJames Smart } 5882b65e182SJames Smart #endif 589d613b6a7SJames Smart rsp->done(rsp); 5902b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 591c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) 5922b65e182SJames Smart lpfc_nvmet_ktime(phba, ctxp); 5932b65e182SJames Smart #endif 59419b58d94SJames Smart /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ 595d613b6a7SJames Smart } else { 596d613b6a7SJames Smart ctxp->entry_cnt++; 597c6e0c925SDick Kennedy start_clean = offsetof(struct lpfc_iocbq, iocb_flag); 598d613b6a7SJames Smart memset(((char *)cmdwqe) + start_clean, 0, 599d613b6a7SJames Smart (sizeof(struct lpfc_iocbq) - start_clean)); 6002b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 601c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 6022b65e182SJames Smart ctxp->ts_isr_data = cmdwqe->isr_timestamp; 6032b65e182SJames Smart ctxp->ts_data_nvme = ktime_get_ns(); 6042b65e182SJames Smart } 6052b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 6062b65e182SJames Smart id = smp_processor_id(); 6072b65e182SJames Smart if (ctxp->cpu != id) 6082b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 6092b65e182SJames Smart "6704 CPU Check cmdcmpl: " 6102b65e182SJames Smart "cpu %d expect %d\n", 6112b65e182SJames Smart id, ctxp->cpu); 6122b65e182SJames Smart if (ctxp->cpu < LPFC_CHECK_CPU_CNT) 6132b65e182SJames Smart phba->cpucheck_ccmpl_io[id]++; 6142b65e182SJames Smart } 6152b65e182SJames Smart #endif 616d613b6a7SJames Smart rsp->done(rsp); 617d613b6a7SJames Smart } 618d613b6a7SJames Smart } 619d613b6a7SJames Smart 620d613b6a7SJames Smart static int 621d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, 622d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp) 623d613b6a7SJames Smart { 624d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 625d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req); 626d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 627d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf = 628d613b6a7SJames Smart (struct hbq_dmabuf *)ctxp->rqb_buffer; 629d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 630d613b6a7SJames Smart struct lpfc_nvmet_tgtport *nvmep = tgtport->private; 631d613b6a7SJames Smart struct lpfc_dmabuf dmabuf; 632d613b6a7SJames Smart struct ulp_bde64 bpl; 633d613b6a7SJames Smart int rc; 634d613b6a7SJames Smart 6351abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 6361abcb371SDick Kennedy return -ENODEV; 6371abcb371SDick Kennedy 6383386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 6393386f4bdSJames Smart return -ENODEV; 6403386f4bdSJames Smart 641d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 642ce1b591cSJames Smart "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid); 643ce1b591cSJames Smart 644ce1b591cSJames Smart if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) || 645ce1b591cSJames Smart (ctxp->entry_cnt != 1)) { 646ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 647ce1b591cSJames Smart "6412 NVMET LS rsp state mismatch " 648ce1b591cSJames Smart "oxid x%x: %d %d\n", 649ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 650ce1b591cSJames Smart } 651ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RSP; 652ce1b591cSJames Smart ctxp->entry_cnt++; 653d613b6a7SJames Smart 654d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma, 655d613b6a7SJames Smart rsp->rsplen); 656d613b6a7SJames Smart if (nvmewqeq == NULL) { 657d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 658d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 659d613b6a7SJames Smart "6150 LS Drop IO x%x: Prep\n", 660d613b6a7SJames Smart ctxp->oxid); 661d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 662547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 663d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, 664d613b6a7SJames Smart ctxp->sid, ctxp->oxid); 665d613b6a7SJames Smart return -ENOMEM; 666d613b6a7SJames Smart } 667d613b6a7SJames Smart 668d613b6a7SJames Smart /* Save numBdes for bpl2sgl */ 669d613b6a7SJames Smart nvmewqeq->rsvd2 = 1; 670d613b6a7SJames Smart nvmewqeq->hba_wqidx = 0; 671d613b6a7SJames Smart nvmewqeq->context3 = &dmabuf; 672d613b6a7SJames Smart dmabuf.virt = &bpl; 673d613b6a7SJames Smart bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow; 674d613b6a7SJames Smart bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh; 675d613b6a7SJames Smart bpl.tus.f.bdeSize = rsp->rsplen; 676d613b6a7SJames Smart bpl.tus.f.bdeFlags = 0; 677d613b6a7SJames Smart bpl.tus.w = le32_to_cpu(bpl.tus.w); 678d613b6a7SJames Smart 679d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp; 680d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 681d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 682d613b6a7SJames Smart 6832b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n", 6842b65e182SJames Smart ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen); 6852b65e182SJames Smart 686d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, nvmewqeq); 687d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 688d613b6a7SJames Smart /* 689d613b6a7SJames Smart * Okay to repost buffer here, but wait till cmpl 690d613b6a7SJames Smart * before freeing ctxp and iocbq. 691d613b6a7SJames Smart */ 692d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 693d613b6a7SJames Smart ctxp->rqb_buffer = 0; 694d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_rsp); 695d613b6a7SJames Smart return 0; 696d613b6a7SJames Smart } 697d613b6a7SJames Smart /* Give back resources */ 698d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 699d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 700d613b6a7SJames Smart "6151 LS Drop IO x%x: Issue %d\n", 701d613b6a7SJames Smart ctxp->oxid, rc); 702d613b6a7SJames Smart 703d613b6a7SJames Smart lpfc_nlp_put(nvmewqeq->context1); 704d613b6a7SJames Smart 705d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 706547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 707d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 708d613b6a7SJames Smart return -ENXIO; 709d613b6a7SJames Smart } 710d613b6a7SJames Smart 711d613b6a7SJames Smart static int 712d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, 713d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp) 714d613b6a7SJames Smart { 715d613b6a7SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 716d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 717d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 718d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 719d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 720223b78eaSArnd Bergmann int rc; 7212b65e182SJames Smart 7221abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) { 7231abcb371SDick Kennedy rc = -ENODEV; 7241abcb371SDick Kennedy goto aerr; 7251abcb371SDick Kennedy } 7261abcb371SDick Kennedy 7273386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) { 7283386f4bdSJames Smart rc = -ENODEV; 7293386f4bdSJames Smart goto aerr; 7303386f4bdSJames Smart } 7313386f4bdSJames Smart 7322b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 733c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7342b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 7352b65e182SJames Smart ctxp->ts_nvme_status = ktime_get_ns(); 7362b65e182SJames Smart else 7372b65e182SJames Smart ctxp->ts_nvme_data = ktime_get_ns(); 7382b65e182SJames Smart } 7392b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 740223b78eaSArnd Bergmann int id = smp_processor_id(); 7412b65e182SJames Smart ctxp->cpu = id; 7422b65e182SJames Smart if (id < LPFC_CHECK_CPU_CNT) 7432b65e182SJames Smart phba->cpucheck_xmt_io[id]++; 7442b65e182SJames Smart if (rsp->hwqid != id) { 7452b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 7462b65e182SJames Smart "6705 CPU Check OP: " 7472b65e182SJames Smart "cpu %d expect %d\n", 7482b65e182SJames Smart id, rsp->hwqid); 7492b65e182SJames Smart ctxp->cpu = rsp->hwqid; 7502b65e182SJames Smart } 7512b65e182SJames Smart } 7522b65e182SJames Smart #endif 753d613b6a7SJames Smart 754d613b6a7SJames Smart /* Sanity check */ 75586c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) || 75686c67379SJames Smart (ctxp->state == LPFC_NVMET_STE_ABORT)) { 757d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 758d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 75986c67379SJames Smart "6102 IO xri x%x aborted\n", 760d613b6a7SJames Smart ctxp->oxid); 761a5068b46SJames Smart rc = -ENXIO; 762d613b6a7SJames Smart goto aerr; 763d613b6a7SJames Smart } 764d613b6a7SJames Smart 765d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_fcp_wqe(phba, ctxp); 766d613b6a7SJames Smart if (nvmewqeq == NULL) { 767d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 768d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 769d613b6a7SJames Smart "6152 FCP Drop IO x%x: Prep\n", 770d613b6a7SJames Smart ctxp->oxid); 771a5068b46SJames Smart rc = -ENXIO; 772d613b6a7SJames Smart goto aerr; 773d613b6a7SJames Smart } 774d613b6a7SJames Smart 775d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; 776d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 777d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 778d613b6a7SJames Smart nvmewqeq->iocb_flag |= LPFC_IO_NVMET; 779d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = rsp->hwqid; 780d613b6a7SJames Smart 7812b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", 7822b65e182SJames Smart ctxp->oxid, rsp->op, rsp->rsplen); 7832b65e182SJames Smart 78461f3d4bfSJames Smart ctxp->flag |= LPFC_NVMET_IO_INP; 785d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq); 786d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 7872b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 788c8a4ce0bSDick Kennedy if (!ctxp->ts_cmd_nvme) 7892b65e182SJames Smart return 0; 7902b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 7912b65e182SJames Smart ctxp->ts_status_wqput = ktime_get_ns(); 7922b65e182SJames Smart else 7932b65e182SJames Smart ctxp->ts_data_wqput = ktime_get_ns(); 7942b65e182SJames Smart #endif 795d613b6a7SJames Smart return 0; 796d613b6a7SJames Smart } 797d613b6a7SJames Smart 798d613b6a7SJames Smart /* Give back resources */ 799d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 800d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 801d613b6a7SJames Smart "6153 FCP Drop IO x%x: Issue: %d\n", 802d613b6a7SJames Smart ctxp->oxid, rc); 803d613b6a7SJames Smart 804d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 805d613b6a7SJames Smart nvmewqeq->context2 = NULL; 806d613b6a7SJames Smart nvmewqeq->context3 = NULL; 807a5068b46SJames Smart rc = -EBUSY; 808d613b6a7SJames Smart aerr: 809a5068b46SJames Smart return rc; 810d613b6a7SJames Smart } 811d613b6a7SJames Smart 812d613b6a7SJames Smart static void 813d613b6a7SJames Smart lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port *targetport) 814d613b6a7SJames Smart { 815d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tport = targetport->private; 816d613b6a7SJames Smart 817d613b6a7SJames Smart /* release any threads waiting for the unreg to complete */ 818d613b6a7SJames Smart complete(&tport->tport_unreg_done); 819d613b6a7SJames Smart } 820d613b6a7SJames Smart 82119b58d94SJames Smart static void 822a97ec51bSJames Smart lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport, 823a97ec51bSJames Smart struct nvmefc_tgt_fcp_req *req) 824a97ec51bSJames Smart { 825a97ec51bSJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 826a97ec51bSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 827a97ec51bSJames Smart container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 828a97ec51bSJames Smart struct lpfc_hba *phba = ctxp->phba; 82986c67379SJames Smart unsigned long flags; 830a97ec51bSJames Smart 8311abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 8321abcb371SDick Kennedy return; 8331abcb371SDick Kennedy 8343386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 8353386f4bdSJames Smart return; 8363386f4bdSJames Smart 837a97ec51bSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 838ce1b591cSJames Smart "6103 NVMET Abort op: oxri x%x flg x%x ste %d\n", 839ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 840a97ec51bSJames Smart 841ce1b591cSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP ABRT: xri x%x flg x%x ste x%x\n", 842ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 843a97ec51bSJames Smart 844a97ec51bSJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_abort); 845ce1b591cSJames Smart 84686c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 847c578f6f4SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 84886c67379SJames Smart 84986c67379SJames Smart /* Since iaab/iaar are NOT set, we need to check 85086c67379SJames Smart * if the firmware is in process of aborting IO 85186c67379SJames Smart */ 85286c67379SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) { 85386c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 85486c67379SJames Smart return; 85586c67379SJames Smart } 856a97ec51bSJames Smart ctxp->flag |= LPFC_NVMET_ABORT_OP; 857ce1b591cSJames Smart 858ce1b591cSJames Smart /* An state of LPFC_NVMET_STE_RCV means we have just received 859ce1b591cSJames Smart * the NVME command and have not started processing it. 860ce1b591cSJames Smart * (by issuing any IO WQEs on this exchange yet) 861ce1b591cSJames Smart */ 862ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_RCV) 863ce1b591cSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 864a97ec51bSJames Smart ctxp->oxid); 865a97ec51bSJames Smart else 866ce1b591cSJames Smart lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid, 867a97ec51bSJames Smart ctxp->oxid); 86886c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 869a97ec51bSJames Smart } 870a97ec51bSJames Smart 871a97ec51bSJames Smart static void 87219b58d94SJames Smart lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, 87319b58d94SJames Smart struct nvmefc_tgt_fcp_req *rsp) 87419b58d94SJames Smart { 875547077a4SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 87619b58d94SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 87719b58d94SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 87819b58d94SJames Smart struct lpfc_hba *phba = ctxp->phba; 87919b58d94SJames Smart unsigned long flags; 88019b58d94SJames Smart bool aborting = false; 88119b58d94SJames Smart 882ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_DONE && 883ce1b591cSJames Smart ctxp->state != LPFC_NVMET_STE_ABORT) { 884ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 885ce1b591cSJames Smart "6413 NVMET release bad state %d %d oxid x%x\n", 886ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 887ce1b591cSJames Smart } 888ce1b591cSJames Smart 88919b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 89086c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABORT_OP) || 89186c67379SJames Smart (ctxp->flag & LPFC_NVMET_XBUSY)) { 89219b58d94SJames Smart aborting = true; 89386c67379SJames Smart /* let the abort path do the real release */ 89486c67379SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 89519b58d94SJames Smart } 89619b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 89719b58d94SJames Smart 8989094367aSArnd Bergmann lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, 8999094367aSArnd Bergmann ctxp->state, aborting); 90019b58d94SJames Smart 901547077a4SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_release); 902547077a4SJames Smart 90386c67379SJames Smart if (aborting) 90486c67379SJames Smart return; 90586c67379SJames Smart 9066c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 90719b58d94SJames Smart } 90819b58d94SJames Smart 90950738420SJames Smart static void 91050738420SJames Smart lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, 91150738420SJames Smart struct nvmefc_tgt_fcp_req *rsp) 91250738420SJames Smart { 91350738420SJames Smart struct lpfc_nvmet_tgtport *tgtp; 91450738420SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 91550738420SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 91650738420SJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 91750738420SJames Smart struct lpfc_hba *phba = ctxp->phba; 91850738420SJames Smart 91950738420SJames Smart lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", 92050738420SJames Smart ctxp->oxid, ctxp->size, smp_processor_id()); 92150738420SJames Smart 92250738420SJames Smart tgtp = phba->targetport->private; 92350738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_defer); 92450738420SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 92550738420SJames Smart } 92650738420SJames Smart 927d613b6a7SJames Smart static struct nvmet_fc_target_template lpfc_tgttemplate = { 928d613b6a7SJames Smart .targetport_delete = lpfc_nvmet_targetport_delete, 929d613b6a7SJames Smart .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, 930d613b6a7SJames Smart .fcp_op = lpfc_nvmet_xmt_fcp_op, 931a97ec51bSJames Smart .fcp_abort = lpfc_nvmet_xmt_fcp_abort, 93219b58d94SJames Smart .fcp_req_release = lpfc_nvmet_xmt_fcp_release, 93350738420SJames Smart .defer_rcv = lpfc_nvmet_defer_rcv, 934d613b6a7SJames Smart 935d613b6a7SJames Smart .max_hw_queues = 1, 936d613b6a7SJames Smart .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 937d613b6a7SJames Smart .max_dif_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 938d613b6a7SJames Smart .dma_boundary = 0xFFFFFFFF, 939d613b6a7SJames Smart 940d613b6a7SJames Smart /* optional features */ 941d613b6a7SJames Smart .target_features = 0, 942d613b6a7SJames Smart /* sizes of additional private data for data structures */ 943d613b6a7SJames Smart .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), 944d613b6a7SJames Smart }; 945d613b6a7SJames Smart 94639aa23f9SColin Ian King static void 94766d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, 94866d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop) 9496c621a22SJames Smart { 9506c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; 9516c621a22SJames Smart unsigned long flags; 9526c621a22SJames Smart 95366d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); 954966bb5b7SJames Smart list_for_each_entry_safe(ctx_buf, next_ctx_buf, 95566d7ce93SDick Kennedy &infop->nvmet_ctx_list, list) { 956c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 9576c621a22SJames Smart list_del_init(&ctx_buf->list); 958c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 95966d7ce93SDick Kennedy 96066d7ce93SDick Kennedy __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); 9616c621a22SJames Smart ctx_buf->sglq->state = SGL_FREED; 9626c621a22SJames Smart ctx_buf->sglq->ndlp = NULL; 9636c621a22SJames Smart 964c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.sgl_list_lock); 9656c621a22SJames Smart list_add_tail(&ctx_buf->sglq->list, 9666c621a22SJames Smart &phba->sli4_hba.lpfc_nvmet_sgl_list); 967c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.sgl_list_lock); 9686c621a22SJames Smart 9696c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 9706c621a22SJames Smart kfree(ctx_buf->context); 9716c621a22SJames Smart } 97266d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); 973966bb5b7SJames Smart } 97466d7ce93SDick Kennedy 97566d7ce93SDick Kennedy static void 97666d7ce93SDick Kennedy lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) 97766d7ce93SDick Kennedy { 97866d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 97966d7ce93SDick Kennedy int i, j; 98066d7ce93SDick Kennedy 98166d7ce93SDick Kennedy /* The first context list, MRQ 0 CPU 0 */ 98266d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 98366d7ce93SDick Kennedy if (!infop) 98466d7ce93SDick Kennedy return; 98566d7ce93SDick Kennedy 98666d7ce93SDick Kennedy /* Cycle the the entire CPU context list for every MRQ */ 98766d7ce93SDick Kennedy for (i = 0; i < phba->cfg_nvmet_mrq; i++) { 98866d7ce93SDick Kennedy for (j = 0; j < phba->sli4_hba.num_present_cpu; j++) { 98966d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(phba, infop); 99066d7ce93SDick Kennedy infop++; /* next */ 99166d7ce93SDick Kennedy } 99266d7ce93SDick Kennedy } 99366d7ce93SDick Kennedy kfree(phba->sli4_hba.nvmet_ctx_info); 99466d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = NULL; 9956c621a22SJames Smart } 9966c621a22SJames Smart 99739aa23f9SColin Ian King static int 9986c621a22SJames Smart lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) 9996c621a22SJames Smart { 10006c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 10016c621a22SJames Smart struct lpfc_iocbq *nvmewqe; 10026c621a22SJames Smart union lpfc_wqe128 *wqe; 100366d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *last_infop; 100466d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 100566d7ce93SDick Kennedy int i, j, idx; 10066c621a22SJames Smart 10076c621a22SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME, 10086c621a22SJames Smart "6403 Allocate NVMET resources for %d XRIs\n", 10096c621a22SJames Smart phba->sli4_hba.nvmet_xri_cnt); 10106c621a22SJames Smart 101166d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = kcalloc( 101266d7ce93SDick Kennedy phba->sli4_hba.num_present_cpu * phba->cfg_nvmet_mrq, 101366d7ce93SDick Kennedy sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); 101466d7ce93SDick Kennedy if (!phba->sli4_hba.nvmet_ctx_info) { 101566d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 101666d7ce93SDick Kennedy "6419 Failed allocate memory for " 101766d7ce93SDick Kennedy "nvmet context lists\n"); 101866d7ce93SDick Kennedy return -ENOMEM; 101966d7ce93SDick Kennedy } 102066d7ce93SDick Kennedy 102166d7ce93SDick Kennedy /* 102266d7ce93SDick Kennedy * Assuming X CPUs in the system, and Y MRQs, allocate some 102366d7ce93SDick Kennedy * lpfc_nvmet_ctx_info structures as follows: 102466d7ce93SDick Kennedy * 102566d7ce93SDick Kennedy * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 102666d7ce93SDick Kennedy * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 102766d7ce93SDick Kennedy * ... 102866d7ce93SDick Kennedy * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY 102966d7ce93SDick Kennedy * 103066d7ce93SDick Kennedy * Each line represents a MRQ "silo" containing an entry for 103166d7ce93SDick Kennedy * every CPU. 103266d7ce93SDick Kennedy * 103366d7ce93SDick Kennedy * MRQ X is initially assumed to be associated with CPU X, thus 103466d7ce93SDick Kennedy * contexts are initially distributed across all MRQs using 103566d7ce93SDick Kennedy * the MRQ index (N) as follows cpuN/mrqN. When contexts are 103666d7ce93SDick Kennedy * freed, the are freed to the MRQ silo based on the CPU number 103766d7ce93SDick Kennedy * of the IO completion. Thus a context that was allocated for MRQ A 103866d7ce93SDick Kennedy * whose IO completed on CPU B will be freed to cpuB/mrqA. 103966d7ce93SDick Kennedy */ 104066d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 104166d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 104266d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 104366d7ce93SDick Kennedy INIT_LIST_HEAD(&infop->nvmet_ctx_list); 104466d7ce93SDick Kennedy spin_lock_init(&infop->nvmet_ctx_list_lock); 104566d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt = 0; 104666d7ce93SDick Kennedy infop++; 104766d7ce93SDick Kennedy } 104866d7ce93SDick Kennedy } 104966d7ce93SDick Kennedy 105066d7ce93SDick Kennedy /* 105166d7ce93SDick Kennedy * Setup the next CPU context info ptr for each MRQ. 105266d7ce93SDick Kennedy * MRQ 0 will cycle thru CPUs 0 - X separately from 105366d7ce93SDick Kennedy * MRQ 1 cycling thru CPUs 0 - X, and so on. 105466d7ce93SDick Kennedy */ 105566d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 105666d7ce93SDick Kennedy last_infop = lpfc_get_ctx_list(phba, 0, j); 105766d7ce93SDick Kennedy for (i = phba->sli4_hba.num_present_cpu - 1; i >= 0; i--) { 105866d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, i, j); 105966d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu = last_infop; 106066d7ce93SDick Kennedy last_infop = infop; 106166d7ce93SDick Kennedy } 106266d7ce93SDick Kennedy } 106366d7ce93SDick Kennedy 10646c621a22SJames Smart /* For all nvmet xris, allocate resources needed to process a 10656c621a22SJames Smart * received command on a per xri basis. 10666c621a22SJames Smart */ 106766d7ce93SDick Kennedy idx = 0; 10686c621a22SJames Smart for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { 10696c621a22SJames Smart ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); 10706c621a22SJames Smart if (!ctx_buf) { 10716c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 10726c621a22SJames Smart "6404 Ran out of memory for NVMET\n"); 10736c621a22SJames Smart return -ENOMEM; 10746c621a22SJames Smart } 10756c621a22SJames Smart 10766c621a22SJames Smart ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), 10776c621a22SJames Smart GFP_KERNEL); 10786c621a22SJames Smart if (!ctx_buf->context) { 10796c621a22SJames Smart kfree(ctx_buf); 10806c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 10816c621a22SJames Smart "6405 Ran out of NVMET " 10826c621a22SJames Smart "context memory\n"); 10836c621a22SJames Smart return -ENOMEM; 10846c621a22SJames Smart } 10856c621a22SJames Smart ctx_buf->context->ctxbuf = ctx_buf; 1086ce1b591cSJames Smart ctx_buf->context->state = LPFC_NVMET_STE_FREE; 10876c621a22SJames Smart 10886c621a22SJames Smart ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); 10896c621a22SJames Smart if (!ctx_buf->iocbq) { 10906c621a22SJames Smart kfree(ctx_buf->context); 10916c621a22SJames Smart kfree(ctx_buf); 10926c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 10936c621a22SJames Smart "6406 Ran out of NVMET iocb/WQEs\n"); 10946c621a22SJames Smart return -ENOMEM; 10956c621a22SJames Smart } 10966c621a22SJames Smart ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; 10976c621a22SJames Smart nvmewqe = ctx_buf->iocbq; 10986c621a22SJames Smart wqe = (union lpfc_wqe128 *)&nvmewqe->wqe; 10996c621a22SJames Smart /* Initialize WQE */ 11006c621a22SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 11016c621a22SJames Smart /* Word 7 */ 11026c621a22SJames Smart bf_set(wqe_ct, &wqe->generic.wqe_com, SLI4_CT_RPI); 11036c621a22SJames Smart bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3); 11046c621a22SJames Smart /* Word 10 */ 11056c621a22SJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 11066c621a22SJames Smart bf_set(wqe_ebde_cnt, &wqe->generic.wqe_com, 0); 11076c621a22SJames Smart bf_set(wqe_qosd, &wqe->generic.wqe_com, 0); 11086c621a22SJames Smart 11096c621a22SJames Smart ctx_buf->iocbq->context1 = NULL; 11106c621a22SJames Smart spin_lock(&phba->sli4_hba.sgl_list_lock); 11116c621a22SJames Smart ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); 11126c621a22SJames Smart spin_unlock(&phba->sli4_hba.sgl_list_lock); 11136c621a22SJames Smart if (!ctx_buf->sglq) { 11146c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 11156c621a22SJames Smart kfree(ctx_buf->context); 11166c621a22SJames Smart kfree(ctx_buf); 11176c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 11186c621a22SJames Smart "6407 Ran out of NVMET XRIs\n"); 11196c621a22SJames Smart return -ENOMEM; 11206c621a22SJames Smart } 112166d7ce93SDick Kennedy 112266d7ce93SDick Kennedy /* 112366d7ce93SDick Kennedy * Add ctx to MRQidx context list. Our initial assumption 112466d7ce93SDick Kennedy * is MRQidx will be associated with CPUidx. This association 112566d7ce93SDick Kennedy * can change on the fly. 112666d7ce93SDick Kennedy */ 112766d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, idx, idx); 112866d7ce93SDick Kennedy spin_lock(&infop->nvmet_ctx_list_lock); 112966d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 113066d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 113166d7ce93SDick Kennedy spin_unlock(&infop->nvmet_ctx_list_lock); 113266d7ce93SDick Kennedy 113366d7ce93SDick Kennedy /* Spread ctx structures evenly across all MRQs */ 113466d7ce93SDick Kennedy idx++; 113566d7ce93SDick Kennedy if (idx >= phba->cfg_nvmet_mrq) 113666d7ce93SDick Kennedy idx = 0; 11376c621a22SJames Smart } 113866d7ce93SDick Kennedy 113966d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 114066d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 114166d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 114266d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 114366d7ce93SDick Kennedy "6408 TOTAL NVMET ctx for CPU %d " 114466d7ce93SDick Kennedy "MRQ %d: cnt %d nextcpu %p\n", 114566d7ce93SDick Kennedy i, j, infop->nvmet_ctx_list_cnt, 114666d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu); 114766d7ce93SDick Kennedy infop++; 114866d7ce93SDick Kennedy } 114966d7ce93SDick Kennedy } 11506c621a22SJames Smart return 0; 11516c621a22SJames Smart } 11526c621a22SJames Smart 1153d613b6a7SJames Smart int 1154d613b6a7SJames Smart lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 1155d613b6a7SJames Smart { 1156d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1157d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1158d613b6a7SJames Smart struct nvmet_fc_port_info pinfo; 11596c621a22SJames Smart int error; 1160d613b6a7SJames Smart 1161d613b6a7SJames Smart if (phba->targetport) 1162d613b6a7SJames Smart return 0; 1163d613b6a7SJames Smart 11646c621a22SJames Smart error = lpfc_nvmet_setup_io_context(phba); 11656c621a22SJames Smart if (error) 11666c621a22SJames Smart return error; 11676c621a22SJames Smart 1168d613b6a7SJames Smart memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); 1169d613b6a7SJames Smart pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); 1170d613b6a7SJames Smart pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); 1171d613b6a7SJames Smart pinfo.port_id = vport->fc_myDID; 1172d613b6a7SJames Smart 11734d4c4a4aSJames Smart /* Limit to LPFC_MAX_NVME_SEG_CNT. 11744d4c4a4aSJames Smart * For now need + 1 to get around NVME transport logic. 11754d4c4a4aSJames Smart */ 11764d4c4a4aSJames Smart if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) { 11774d4c4a4aSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 11784d4c4a4aSJames Smart "6400 Reducing sg segment cnt to %d\n", 11794d4c4a4aSJames Smart LPFC_MAX_NVME_SEG_CNT); 11804d4c4a4aSJames Smart phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT; 11814d4c4a4aSJames Smart } else { 11824d4c4a4aSJames Smart phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt; 11834d4c4a4aSJames Smart } 11844d4c4a4aSJames Smart lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; 1185d613b6a7SJames Smart lpfc_tgttemplate.max_hw_queues = phba->cfg_nvme_io_channel; 1186f485c18dSDick Kennedy lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP; 1187d613b6a7SJames Smart 11887d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1189d613b6a7SJames Smart error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, 1190d613b6a7SJames Smart &phba->pcidev->dev, 1191d613b6a7SJames Smart &phba->targetport); 1192166d7211SJames Smart #else 11936c621a22SJames Smart error = -ENOENT; 1194166d7211SJames Smart #endif 1195d613b6a7SJames Smart if (error) { 1196d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1197e7981a2cSDick Kennedy "6025 Cannot register NVME targetport x%x: " 1198e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1199e7981a2cSDick Kennedy error, 1200e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1201e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1202e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1203d613b6a7SJames Smart phba->targetport = NULL; 1204e7981a2cSDick Kennedy phba->nvmet_support = 0; 12056c621a22SJames Smart 12066c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 12076c621a22SJames Smart 1208d613b6a7SJames Smart } else { 1209d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *) 1210d613b6a7SJames Smart phba->targetport->private; 1211d613b6a7SJames Smart tgtp->phba = phba; 1212d613b6a7SJames Smart 1213d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1214d613b6a7SJames Smart "6026 Registered NVME " 1215d613b6a7SJames Smart "targetport: %p, private %p " 1216e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1217d613b6a7SJames Smart phba->targetport, tgtp, 1218e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1219e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1220e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1221d613b6a7SJames Smart 1222d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_in, 0); 1223d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_out, 0); 1224d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_drop, 0); 1225d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_abort, 0); 1226547077a4SJames Smart atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); 1227d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp, 0); 1228d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_drop, 0); 1229d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_error, 0); 1230d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); 1231d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_in, 0); 1232d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_out, 0); 1233d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); 1234d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_drop, 0); 1235d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read_rsp, 0); 1236d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read, 0); 1237d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_write, 0); 1238d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp, 0); 1239547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_release, 0); 1240d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); 1241d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_error, 0); 1242d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); 1243547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort, 0); 1244547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); 1245547077a4SJames Smart atomic_set(&tgtp->xmt_abort_unsol, 0); 1246547077a4SJames Smart atomic_set(&tgtp->xmt_abort_sol, 0); 1247d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp, 0); 1248d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp_error, 0); 1249d613b6a7SJames Smart } 1250d613b6a7SJames Smart return error; 1251d613b6a7SJames Smart } 1252d613b6a7SJames Smart 1253d613b6a7SJames Smart int 1254d613b6a7SJames Smart lpfc_nvmet_update_targetport(struct lpfc_hba *phba) 1255d613b6a7SJames Smart { 1256d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1257d613b6a7SJames Smart 1258d613b6a7SJames Smart if (!phba->targetport) 1259d613b6a7SJames Smart return 0; 1260d613b6a7SJames Smart 1261d613b6a7SJames Smart lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, 1262d613b6a7SJames Smart "6007 Update NVMET port %p did x%x\n", 1263d613b6a7SJames Smart phba->targetport, vport->fc_myDID); 1264d613b6a7SJames Smart 1265d613b6a7SJames Smart phba->targetport->port_id = vport->fc_myDID; 1266d613b6a7SJames Smart return 0; 1267d613b6a7SJames Smart } 1268d613b6a7SJames Smart 1269318083adSJames Smart /** 1270318083adSJames Smart * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort 1271318083adSJames Smart * @phba: pointer to lpfc hba data structure. 1272318083adSJames Smart * @axri: pointer to the nvmet xri abort wcqe structure. 1273318083adSJames Smart * 1274318083adSJames Smart * This routine is invoked by the worker thread to process a SLI4 fast-path 1275318083adSJames Smart * NVMET aborted xri. 1276318083adSJames Smart **/ 1277318083adSJames Smart void 1278318083adSJames Smart lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 1279318083adSJames Smart struct sli4_wcqe_xri_aborted *axri) 1280318083adSJames Smart { 128186c67379SJames Smart uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); 128286c67379SJames Smart uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); 128386c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 128486c67379SJames Smart struct lpfc_nodelist *ndlp; 128586c67379SJames Smart unsigned long iflag = 0; 128686c67379SJames Smart int rrq_empty = 0; 128786c67379SJames Smart bool released = false; 128886c67379SJames Smart 128986c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 129086c67379SJames Smart "6317 XB aborted xri x%x rxid x%x\n", xri, rxid); 129186c67379SJames Smart 129286c67379SJames Smart if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 129386c67379SJames Smart return; 129486c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 129586c67379SJames Smart spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 129686c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 129786c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 129886c67379SJames Smart list) { 12996c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 130086c67379SJames Smart continue; 130186c67379SJames Smart 130286c67379SJames Smart /* Check if we already received a free context call 130386c67379SJames Smart * and we have completed processing an abort situation. 130486c67379SJames Smart */ 130586c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS && 130686c67379SJames Smart !(ctxp->flag & LPFC_NVMET_ABORT_OP)) { 130786c67379SJames Smart list_del(&ctxp->list); 130886c67379SJames Smart released = true; 130986c67379SJames Smart } 131086c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 131186c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 131286c67379SJames Smart 131386c67379SJames Smart rrq_empty = list_empty(&phba->active_rrq_list); 131486c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 131586c67379SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 131686c67379SJames Smart if (ndlp && NLP_CHK_NODE_ACT(ndlp) && 131786c67379SJames Smart (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || 131886c67379SJames Smart ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { 131986c67379SJames Smart lpfc_set_rrq_active(phba, ndlp, 13206c621a22SJames Smart ctxp->ctxbuf->sglq->sli4_lxritag, 132186c67379SJames Smart rxid, 1); 132286c67379SJames Smart lpfc_sli4_abts_err_handler(phba, ndlp, axri); 132386c67379SJames Smart } 132486c67379SJames Smart 132586c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1326ce1b591cSJames Smart "6318 XB aborted oxid %x flg x%x (%x)\n", 132786c67379SJames Smart ctxp->oxid, ctxp->flag, released); 132886c67379SJames Smart if (released) 13296c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 13306c621a22SJames Smart 133186c67379SJames Smart if (rrq_empty) 133286c67379SJames Smart lpfc_worker_wake_up(phba); 133386c67379SJames Smart return; 133486c67379SJames Smart } 133586c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 133686c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 133786c67379SJames Smart } 133886c67379SJames Smart 133986c67379SJames Smart int 134086c67379SJames Smart lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, 134186c67379SJames Smart struct fc_frame_header *fc_hdr) 134286c67379SJames Smart 134386c67379SJames Smart { 134486c67379SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 134586c67379SJames Smart struct lpfc_hba *phba = vport->phba; 134686c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 134786c67379SJames Smart struct nvmefc_tgt_fcp_req *rsp; 134886c67379SJames Smart uint16_t xri; 134986c67379SJames Smart unsigned long iflag = 0; 135086c67379SJames Smart 135186c67379SJames Smart xri = be16_to_cpu(fc_hdr->fh_ox_id); 135286c67379SJames Smart 135386c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 135486c67379SJames Smart spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 135586c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 135686c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 135786c67379SJames Smart list) { 13586c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 135986c67379SJames Smart continue; 136086c67379SJames Smart 136186c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 136286c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 136386c67379SJames Smart 136486c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 136586c67379SJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 136686c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 136786c67379SJames Smart 136886c67379SJames Smart lpfc_nvmeio_data(phba, 136986c67379SJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 137086c67379SJames Smart xri, smp_processor_id(), 0); 137186c67379SJames Smart 137286c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 137386c67379SJames Smart "6319 NVMET Rcv ABTS:acc xri x%x\n", xri); 137486c67379SJames Smart 137586c67379SJames Smart rsp = &ctxp->ctx.fcp_req; 137686c67379SJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, rsp); 137786c67379SJames Smart 137886c67379SJames Smart /* Respond with BA_ACC accordingly */ 137986c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 138086c67379SJames Smart return 0; 138186c67379SJames Smart } 138286c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 138386c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 138486c67379SJames Smart 138586c67379SJames Smart lpfc_nvmeio_data(phba, "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 138686c67379SJames Smart xri, smp_processor_id(), 1); 138786c67379SJames Smart 138886c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 138986c67379SJames Smart "6320 NVMET Rcv ABTS:rjt xri x%x\n", xri); 139086c67379SJames Smart 139186c67379SJames Smart /* Respond with BA_RJT accordingly */ 139286c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0); 139386c67379SJames Smart #endif 1394b06e13c3SJens Axboe return 0; 1395318083adSJames Smart } 1396318083adSJames Smart 1397d613b6a7SJames Smart void 1398d613b6a7SJames Smart lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 1399d613b6a7SJames Smart { 14007d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1401d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1402d613b6a7SJames Smart 1403d613b6a7SJames Smart if (phba->nvmet_support == 0) 1404d613b6a7SJames Smart return; 1405d613b6a7SJames Smart if (phba->targetport) { 1406d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1407d613b6a7SJames Smart init_completion(&tgtp->tport_unreg_done); 1408d613b6a7SJames Smart nvmet_fc_unregister_targetport(phba->targetport); 1409d613b6a7SJames Smart wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); 14106c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 1411d613b6a7SJames Smart } 1412d613b6a7SJames Smart phba->targetport = NULL; 1413166d7211SJames Smart #endif 1414d613b6a7SJames Smart } 1415d613b6a7SJames Smart 1416d613b6a7SJames Smart /** 1417d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer 1418d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1419d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1420d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1421d613b6a7SJames Smart * 1422d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1423d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1424d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1425d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1426d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1427d613b6a7SJames Smart * of the discovery state machine. 1428d613b6a7SJames Smart **/ 1429d613b6a7SJames Smart static void 1430d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1431d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf) 1432d613b6a7SJames Smart { 14337d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1434d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1435d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 1436d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1437d613b6a7SJames Smart uint32_t *payload; 1438d613b6a7SJames Smart uint32_t size, oxid, sid, rc; 1439d613b6a7SJames Smart 1440d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 1441d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1442d613b6a7SJames Smart "6154 LS Drop IO\n"); 14432b65e182SJames Smart oxid = 0; 14442b65e182SJames Smart size = 0; 14452b65e182SJames Smart sid = 0; 1446547077a4SJames Smart ctxp = NULL; 1447d613b6a7SJames Smart goto dropit; 1448d613b6a7SJames Smart } 1449d613b6a7SJames Smart 1450d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1451d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1452d613b6a7SJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 1453d613b6a7SJames Smart size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); 1454d613b6a7SJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 1455d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1456d613b6a7SJames Smart 1457d613b6a7SJames Smart ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC); 1458d613b6a7SJames Smart if (ctxp == NULL) { 1459d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1460d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1461d613b6a7SJames Smart "6155 LS Drop IO x%x: Alloc\n", 1462d613b6a7SJames Smart oxid); 1463d613b6a7SJames Smart dropit: 14642b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: " 14652b65e182SJames Smart "xri x%x sz %d from %06x\n", 14662b65e182SJames Smart oxid, size, sid); 1467d613b6a7SJames Smart if (nvmebuf) 1468d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1469d613b6a7SJames Smart return; 1470d613b6a7SJames Smart } 1471d613b6a7SJames Smart ctxp->phba = phba; 1472d613b6a7SJames Smart ctxp->size = size; 1473d613b6a7SJames Smart ctxp->oxid = oxid; 1474d613b6a7SJames Smart ctxp->sid = sid; 1475d613b6a7SJames Smart ctxp->wqeq = NULL; 1476ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RCV; 1477ce1b591cSJames Smart ctxp->entry_cnt = 1; 1478d613b6a7SJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 14792b65e182SJames Smart 14802b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n", 14812b65e182SJames Smart oxid, size, sid); 1482d613b6a7SJames Smart /* 1483d613b6a7SJames Smart * The calling sequence should be: 1484d613b6a7SJames Smart * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done 1485d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp. 1486d613b6a7SJames Smart */ 1487d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_in); 1488d613b6a7SJames Smart rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req, 1489d613b6a7SJames Smart payload, size); 1490d613b6a7SJames Smart 1491d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1492ce1b591cSJames Smart "6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x " 1493ce1b591cSJames Smart "%08x %08x %08x\n", size, rc, 1494d613b6a7SJames Smart *payload, *(payload+1), *(payload+2), 1495d613b6a7SJames Smart *(payload+3), *(payload+4), *(payload+5)); 14962b65e182SJames Smart 1497d613b6a7SJames Smart if (rc == 0) { 1498d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_out); 1499d613b6a7SJames Smart return; 1500d613b6a7SJames Smart } 15012b65e182SJames Smart 15022b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n", 15032b65e182SJames Smart oxid, size, sid); 15042b65e182SJames Smart 1505d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1506d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1507d613b6a7SJames Smart "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n", 1508d613b6a7SJames Smart ctxp->oxid, rc); 1509d613b6a7SJames Smart 1510d613b6a7SJames Smart /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ 1511d613b6a7SJames Smart if (nvmebuf) 1512d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1513d613b6a7SJames Smart 1514d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_abort); 1515d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); 1516166d7211SJames Smart #endif 1517d613b6a7SJames Smart } 1518d613b6a7SJames Smart 151966d7ce93SDick Kennedy static struct lpfc_nvmet_ctxbuf * 152066d7ce93SDick Kennedy lpfc_nvmet_replenish_context(struct lpfc_hba *phba, 152166d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop) 152266d7ce93SDick Kennedy { 15232299e432SDick Kennedy #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 152466d7ce93SDick Kennedy struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; 152566d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *get_infop; 152666d7ce93SDick Kennedy int i; 152766d7ce93SDick Kennedy 152866d7ce93SDick Kennedy /* 152966d7ce93SDick Kennedy * The current_infop for the MRQ a NVME command IU was received 153066d7ce93SDick Kennedy * on is empty. Our goal is to replenish this MRQs context 153166d7ce93SDick Kennedy * list from a another CPUs. 153266d7ce93SDick Kennedy * 153366d7ce93SDick Kennedy * First we need to pick a context list to start looking on. 153466d7ce93SDick Kennedy * nvmet_ctx_start_cpu has available context the last time 153566d7ce93SDick Kennedy * we needed to replenish this CPU where nvmet_ctx_next_cpu 153666d7ce93SDick Kennedy * is just the next sequential CPU for this MRQ. 153766d7ce93SDick Kennedy */ 153866d7ce93SDick Kennedy if (current_infop->nvmet_ctx_start_cpu) 153966d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_start_cpu; 154066d7ce93SDick Kennedy else 154166d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_next_cpu; 154266d7ce93SDick Kennedy 154366d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 154466d7ce93SDick Kennedy if (get_infop == current_infop) { 154566d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 154666d7ce93SDick Kennedy continue; 154766d7ce93SDick Kennedy } 154866d7ce93SDick Kennedy spin_lock(&get_infop->nvmet_ctx_list_lock); 154966d7ce93SDick Kennedy 155066d7ce93SDick Kennedy /* Just take the entire context list, if there are any */ 155166d7ce93SDick Kennedy if (get_infop->nvmet_ctx_list_cnt) { 155266d7ce93SDick Kennedy list_splice_init(&get_infop->nvmet_ctx_list, 155366d7ce93SDick Kennedy ¤t_infop->nvmet_ctx_list); 155466d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt = 155566d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt - 1; 155666d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt = 0; 155766d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 155866d7ce93SDick Kennedy 155966d7ce93SDick Kennedy current_infop->nvmet_ctx_start_cpu = get_infop; 156066d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 156166d7ce93SDick Kennedy ctx_buf, struct lpfc_nvmet_ctxbuf, 156266d7ce93SDick Kennedy list); 156366d7ce93SDick Kennedy return ctx_buf; 156466d7ce93SDick Kennedy } 156566d7ce93SDick Kennedy 156666d7ce93SDick Kennedy /* Otherwise, move on to the next CPU for this MRQ */ 156766d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 156866d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 156966d7ce93SDick Kennedy } 157066d7ce93SDick Kennedy 15712299e432SDick Kennedy #endif 157266d7ce93SDick Kennedy /* Nothing found, all contexts for the MRQ are in-flight */ 157366d7ce93SDick Kennedy return NULL; 157466d7ce93SDick Kennedy } 157566d7ce93SDick Kennedy 1576d613b6a7SJames Smart /** 1577d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer 1578d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 157966d7ce93SDick Kennedy * @idx: relative index of MRQ vector 1580d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1581d613b6a7SJames Smart * 1582d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1583d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1584d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1585d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1586d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1587d613b6a7SJames Smart * of the discovery state machine. 1588d613b6a7SJames Smart **/ 1589d613b6a7SJames Smart static void 1590d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 159166d7ce93SDick Kennedy uint32_t idx, 1592d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 1593d613b6a7SJames Smart uint64_t isr_timestamp) 1594d613b6a7SJames Smart { 1595d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1596d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1597d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 15986c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 159966d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop; 1600d613b6a7SJames Smart uint32_t *payload; 1601a8cf5dfeSJames Smart uint32_t size, oxid, sid, rc, qno; 16026c621a22SJames Smart unsigned long iflag; 160366d7ce93SDick Kennedy int current_cpu; 16042b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 16052b65e182SJames Smart uint32_t id; 16062b65e182SJames Smart #endif 1607d613b6a7SJames Smart 160873626173SArnd Bergmann if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) 160973626173SArnd Bergmann return; 161073626173SArnd Bergmann 16116c621a22SJames Smart ctx_buf = NULL; 1612d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 1613d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 16146c621a22SJames Smart "6157 NVMET FCP Drop IO\n"); 16152b65e182SJames Smart oxid = 0; 16162b65e182SJames Smart size = 0; 16172b65e182SJames Smart sid = 0; 1618547077a4SJames Smart ctxp = NULL; 1619d613b6a7SJames Smart goto dropit; 1620d613b6a7SJames Smart } 1621d613b6a7SJames Smart 162266d7ce93SDick Kennedy /* 162366d7ce93SDick Kennedy * Get a pointer to the context list for this MRQ based on 162466d7ce93SDick Kennedy * the CPU this MRQ IRQ is associated with. If the CPU association 162566d7ce93SDick Kennedy * changes from our initial assumption, the context list could 162666d7ce93SDick Kennedy * be empty, thus it would need to be replenished with the 162766d7ce93SDick Kennedy * context list from another CPU for this MRQ. 162866d7ce93SDick Kennedy */ 162966d7ce93SDick Kennedy current_cpu = smp_processor_id(); 163066d7ce93SDick Kennedy current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); 163166d7ce93SDick Kennedy spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); 163266d7ce93SDick Kennedy if (current_infop->nvmet_ctx_list_cnt) { 163366d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 16346c621a22SJames Smart ctx_buf, struct lpfc_nvmet_ctxbuf, list); 163566d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt--; 1636966bb5b7SJames Smart } else { 163766d7ce93SDick Kennedy ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); 16386c621a22SJames Smart } 163966d7ce93SDick Kennedy spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); 16406c621a22SJames Smart 1641a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 1642a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 1643a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 1644a8cf5dfeSJames Smart 1645a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1646a8cf5dfeSJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { 1647a8cf5dfeSJames Smart id = smp_processor_id(); 1648a8cf5dfeSJames Smart if (id < LPFC_CHECK_CPU_CNT) 1649a8cf5dfeSJames Smart phba->cpucheck_rcv_io[id]++; 1650a8cf5dfeSJames Smart } 1651a8cf5dfeSJames Smart #endif 1652a8cf5dfeSJames Smart 1653a8cf5dfeSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", 1654a8cf5dfeSJames Smart oxid, size, smp_processor_id()); 1655a8cf5dfeSJames Smart 16566c621a22SJames Smart if (!ctx_buf) { 1657a8cf5dfeSJames Smart /* Queue this NVME IO to process later */ 1658a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 1659a8cf5dfeSJames Smart list_add_tail(&nvmebuf->hbuf.list, 1660a8cf5dfeSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list); 1661a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt++; 1662a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_total++; 1663a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 1664a8cf5dfeSJames Smart iflag); 1665a8cf5dfeSJames Smart 1666a8cf5dfeSJames Smart /* Post a brand new DMA buffer to RQ */ 1667a8cf5dfeSJames Smart qno = nvmebuf->idx; 1668a8cf5dfeSJames Smart lpfc_post_rq_buffer( 1669a8cf5dfeSJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 1670a8cf5dfeSJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 1671a8cf5dfeSJames Smart return; 16726c621a22SJames Smart } 1673d613b6a7SJames Smart 1674d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1675d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1676d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1677d613b6a7SJames Smart 16786c621a22SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 1679ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_FREE) { 1680ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1681ce1b591cSJames Smart "6414 NVMET Context corrupt %d %d oxid x%x\n", 1682ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1683ce1b591cSJames Smart } 1684d613b6a7SJames Smart ctxp->wqeq = NULL; 1685d613b6a7SJames Smart ctxp->txrdy = NULL; 1686d613b6a7SJames Smart ctxp->offset = 0; 1687d613b6a7SJames Smart ctxp->phba = phba; 1688d613b6a7SJames Smart ctxp->size = size; 1689d613b6a7SJames Smart ctxp->oxid = oxid; 1690d613b6a7SJames Smart ctxp->sid = sid; 169166d7ce93SDick Kennedy ctxp->idx = idx; 1692d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 1693d613b6a7SJames Smart ctxp->entry_cnt = 1; 1694d613b6a7SJames Smart ctxp->flag = 0; 16956c621a22SJames Smart ctxp->ctxbuf = ctx_buf; 16962b7824d0SJames Smart spin_lock_init(&ctxp->ctxlock); 1697d613b6a7SJames Smart 16982b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1699c8a4ce0bSDick Kennedy if (isr_timestamp) { 17002b65e182SJames Smart ctxp->ts_isr_cmd = isr_timestamp; 17012b65e182SJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 17022b65e182SJames Smart ctxp->ts_nvme_data = 0; 17032b65e182SJames Smart ctxp->ts_data_wqput = 0; 17042b65e182SJames Smart ctxp->ts_isr_data = 0; 17052b65e182SJames Smart ctxp->ts_data_nvme = 0; 17062b65e182SJames Smart ctxp->ts_nvme_status = 0; 17072b65e182SJames Smart ctxp->ts_status_wqput = 0; 17082b65e182SJames Smart ctxp->ts_isr_status = 0; 17092b65e182SJames Smart ctxp->ts_status_nvme = 0; 1710c8a4ce0bSDick Kennedy } else { 1711c8a4ce0bSDick Kennedy ctxp->ts_cmd_nvme = 0; 17122b65e182SJames Smart } 17132b65e182SJames Smart #endif 17142b65e182SJames Smart 1715d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 1716d613b6a7SJames Smart /* 1717d613b6a7SJames Smart * The calling sequence should be: 1718d613b6a7SJames Smart * nvmet_fc_rcv_fcp_req -> lpfc_nvmet_xmt_fcp_op/cmp -> req->done 1719d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 17206c621a22SJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info in 17216c621a22SJames Smart * the NVME command / FC header is stored, so we are free to repost 17226c621a22SJames Smart * the buffer. 1723d613b6a7SJames Smart */ 1724d613b6a7SJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 1725d613b6a7SJames Smart payload, size); 1726d613b6a7SJames Smart 1727d613b6a7SJames Smart /* Process FCP command */ 1728d613b6a7SJames Smart if (rc == 0) { 1729d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 17306c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 1731d613b6a7SJames Smart return; 1732d613b6a7SJames Smart } 1733d613b6a7SJames Smart 173450738420SJames Smart /* Processing of FCP command is deferred */ 173550738420SJames Smart if (rc == -EOVERFLOW) { 173650738420SJames Smart lpfc_nvmeio_data(phba, 173750738420SJames Smart "NVMET RCV BUSY: xri x%x sz %d from %06x\n", 173850738420SJames Smart oxid, size, sid); 173950738420SJames Smart /* defer reposting rcv buffer till .defer_rcv callback */ 174050738420SJames Smart ctxp->rqb_buffer = nvmebuf; 174150738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 174250738420SJames Smart return; 174350738420SJames Smart } 174450738420SJames Smart 1745d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 1746d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1747547077a4SJames Smart "6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 1748547077a4SJames Smart ctxp->oxid, rc, 1749547077a4SJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 1750547077a4SJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 1751547077a4SJames Smart atomic_read(&tgtp->xmt_fcp_release)); 1752d613b6a7SJames Smart dropit: 17532b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", 17542b65e182SJames Smart oxid, size, sid); 1755d613b6a7SJames Smart if (oxid) { 17566c621a22SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 1757d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 17586c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 1759d613b6a7SJames Smart return; 1760d613b6a7SJames Smart } 1761d613b6a7SJames Smart 17626c621a22SJames Smart if (ctx_buf) 17636c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctx_buf); 17646c621a22SJames Smart 17656c621a22SJames Smart if (nvmebuf) 17666c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 1767d613b6a7SJames Smart } 1768d613b6a7SJames Smart 1769d613b6a7SJames Smart /** 1770d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport 1771d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1772d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1773d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 1774d613b6a7SJames Smart * 1775d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 1776d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 1777d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 1778d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the 1779d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 1780d613b6a7SJames Smart **/ 1781d613b6a7SJames Smart void 1782d613b6a7SJames Smart lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1783d613b6a7SJames Smart struct lpfc_iocbq *piocb) 1784d613b6a7SJames Smart { 1785d613b6a7SJames Smart struct lpfc_dmabuf *d_buf; 1786d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf; 1787d613b6a7SJames Smart 1788d613b6a7SJames Smart d_buf = piocb->context2; 1789d613b6a7SJames Smart nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); 1790d613b6a7SJames Smart 1791d613b6a7SJames Smart if (phba->nvmet_support == 0) { 1792d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1793d613b6a7SJames Smart return; 1794d613b6a7SJames Smart } 1795d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf); 1796d613b6a7SJames Smart } 1797d613b6a7SJames Smart 1798d613b6a7SJames Smart /** 1799d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport 1800d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 180166d7ce93SDick Kennedy * @idx: relative index of MRQ vector 1802d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 1803d613b6a7SJames Smart * 1804d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 1805d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 1806d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 1807d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the 1808d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 1809d613b6a7SJames Smart **/ 1810d613b6a7SJames Smart void 1811d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, 181266d7ce93SDick Kennedy uint32_t idx, 1813d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 1814d613b6a7SJames Smart uint64_t isr_timestamp) 1815d613b6a7SJames Smart { 1816d613b6a7SJames Smart if (phba->nvmet_support == 0) { 18176c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 1818d613b6a7SJames Smart return; 1819d613b6a7SJames Smart } 182066d7ce93SDick Kennedy lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, 1821d613b6a7SJames Smart isr_timestamp); 1822d613b6a7SJames Smart } 1823d613b6a7SJames Smart 1824d613b6a7SJames Smart /** 1825d613b6a7SJames Smart * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure 1826d613b6a7SJames Smart * @phba: pointer to a host N_Port data structure. 1827d613b6a7SJames Smart * @ctxp: Context info for NVME LS Request 1828d613b6a7SJames Smart * @rspbuf: DMA buffer of NVME command. 1829d613b6a7SJames Smart * @rspsize: size of the NVME command. 1830d613b6a7SJames Smart * 1831d613b6a7SJames Smart * This routine is used for allocating a lpfc-WQE data structure from 1832d613b6a7SJames Smart * the driver lpfc-WQE free-list and prepare the WQE with the parameters 1833d613b6a7SJames Smart * passed into the routine for discovery state machine to issue an Extended 1834d613b6a7SJames Smart * Link Service (NVME) commands. It is a generic lpfc-WQE allocation 1835d613b6a7SJames Smart * and preparation routine that is used by all the discovery state machine 1836d613b6a7SJames Smart * routines and the NVME command-specific fields will be later set up by 1837d613b6a7SJames Smart * the individual discovery machine routines after calling this routine 1838d613b6a7SJames Smart * allocating and preparing a generic WQE data structure. It fills in the 1839d613b6a7SJames Smart * Buffer Descriptor Entries (BDEs), allocates buffers for both command 1840d613b6a7SJames Smart * payload and response payload (if expected). The reference count on the 1841d613b6a7SJames Smart * ndlp is incremented by 1 and the reference to the ndlp is put into 1842d613b6a7SJames Smart * context1 of the WQE data structure for this WQE to hold the ndlp 1843d613b6a7SJames Smart * reference for the command's callback function to access later. 1844d613b6a7SJames Smart * 1845d613b6a7SJames Smart * Return code 1846d613b6a7SJames Smart * Pointer to the newly allocated/prepared nvme wqe data structure 1847d613b6a7SJames Smart * NULL - when nvme wqe data structure allocation/preparation failed 1848d613b6a7SJames Smart **/ 1849d613b6a7SJames Smart static struct lpfc_iocbq * 1850d613b6a7SJames Smart lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, 1851d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 1852d613b6a7SJames Smart dma_addr_t rspbuf, uint16_t rspsize) 1853d613b6a7SJames Smart { 1854d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 1855d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 1856d613b6a7SJames Smart union lpfc_wqe *wqe; 1857d613b6a7SJames Smart 1858d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 1859d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1860ce1b591cSJames Smart "6104 NVMET prep LS wqe: link err: " 1861ce1b591cSJames Smart "NPORT x%x oxid:x%x ste %d\n", 1862ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 1863d613b6a7SJames Smart return NULL; 1864d613b6a7SJames Smart } 1865d613b6a7SJames Smart 1866d613b6a7SJames Smart /* Allocate buffer for command wqe */ 1867d613b6a7SJames Smart nvmewqe = lpfc_sli_get_iocbq(phba); 1868d613b6a7SJames Smart if (nvmewqe == NULL) { 1869d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1870ce1b591cSJames Smart "6105 NVMET prep LS wqe: No WQE: " 1871ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 1872ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 1873d613b6a7SJames Smart return NULL; 1874d613b6a7SJames Smart } 1875d613b6a7SJames Smart 1876d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 1877d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 1878d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 1879d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 1880d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1881ce1b591cSJames Smart "6106 NVMET prep LS wqe: No ndlp: " 1882ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 1883ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 1884d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 1885d613b6a7SJames Smart } 1886d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 1887d613b6a7SJames Smart 1888d613b6a7SJames Smart /* prevent preparing wqe with NULL ndlp reference */ 1889d613b6a7SJames Smart nvmewqe->context1 = lpfc_nlp_get(ndlp); 1890d613b6a7SJames Smart if (nvmewqe->context1 == NULL) 1891d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 1892d613b6a7SJames Smart nvmewqe->context2 = ctxp; 1893d613b6a7SJames Smart 1894d613b6a7SJames Smart wqe = &nvmewqe->wqe; 1895d613b6a7SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 1896d613b6a7SJames Smart 1897d613b6a7SJames Smart /* Words 0 - 2 */ 1898d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 1899d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeSize = rspsize; 1900d613b6a7SJames Smart wqe->xmit_sequence.bde.addrLow = le32_to_cpu(putPaddrLow(rspbuf)); 1901d613b6a7SJames Smart wqe->xmit_sequence.bde.addrHigh = le32_to_cpu(putPaddrHigh(rspbuf)); 1902d613b6a7SJames Smart 1903d613b6a7SJames Smart /* Word 3 */ 1904d613b6a7SJames Smart 1905d613b6a7SJames Smart /* Word 4 */ 1906d613b6a7SJames Smart 1907d613b6a7SJames Smart /* Word 5 */ 1908d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); 1909d613b6a7SJames Smart bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); 1910d613b6a7SJames Smart bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); 19118b361639SJames Smart bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); 1912d613b6a7SJames Smart bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); 1913d613b6a7SJames Smart 1914d613b6a7SJames Smart /* Word 6 */ 1915d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, 1916d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 1917d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->xmit_sequence.wqe_com, nvmewqe->sli4_xritag); 1918d613b6a7SJames Smart 1919d613b6a7SJames Smart /* Word 7 */ 1920d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, 1921d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 1922d613b6a7SJames Smart bf_set(wqe_ct, &wqe->xmit_sequence.wqe_com, SLI4_CT_RPI); 1923d613b6a7SJames Smart bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); 1924d613b6a7SJames Smart bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); 1925d613b6a7SJames Smart 1926d613b6a7SJames Smart /* Word 8 */ 1927d613b6a7SJames Smart wqe->xmit_sequence.wqe_com.abort_tag = nvmewqe->iotag; 1928d613b6a7SJames Smart 1929d613b6a7SJames Smart /* Word 9 */ 1930d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->xmit_sequence.wqe_com, nvmewqe->iotag); 1931d613b6a7SJames Smart /* Needs to be set by caller */ 1932d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ctxp->oxid); 1933d613b6a7SJames Smart 1934d613b6a7SJames Smart /* Word 10 */ 1935d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); 1936d613b6a7SJames Smart bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 1937d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, 1938d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 1939d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); 1940d613b6a7SJames Smart 1941d613b6a7SJames Smart /* Word 11 */ 1942d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->xmit_sequence.wqe_com, 1943d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 1944d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->xmit_sequence.wqe_com, 1945d613b6a7SJames Smart OTHER_COMMAND); 1946d613b6a7SJames Smart 1947d613b6a7SJames Smart /* Word 12 */ 1948d613b6a7SJames Smart wqe->xmit_sequence.xmit_len = rspsize; 1949d613b6a7SJames Smart 1950d613b6a7SJames Smart nvmewqe->retry = 1; 1951d613b6a7SJames Smart nvmewqe->vport = phba->pport; 1952d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 1953d613b6a7SJames Smart nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; 1954d613b6a7SJames Smart 1955ce1b591cSJames Smart /* Xmit NVMET response to remote NPORT <did> */ 1956d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1957ce1b591cSJames Smart "6039 Xmit NVMET LS response to remote " 1958d613b6a7SJames Smart "NPORT x%x iotag:x%x oxid:x%x size:x%x\n", 1959d613b6a7SJames Smart ndlp->nlp_DID, nvmewqe->iotag, ctxp->oxid, 1960d613b6a7SJames Smart rspsize); 1961d613b6a7SJames Smart return nvmewqe; 1962d613b6a7SJames Smart 1963d613b6a7SJames Smart nvme_wqe_free_wqeq_exit: 1964d613b6a7SJames Smart nvmewqe->context2 = NULL; 1965d613b6a7SJames Smart nvmewqe->context3 = NULL; 1966d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, nvmewqe); 1967d613b6a7SJames Smart return NULL; 1968d613b6a7SJames Smart } 1969d613b6a7SJames Smart 1970d613b6a7SJames Smart 1971d613b6a7SJames Smart static struct lpfc_iocbq * 1972d613b6a7SJames Smart lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, 1973d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 1974d613b6a7SJames Smart { 1975d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req; 1976d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1977d613b6a7SJames Smart struct sli4_sge *sgl; 1978d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 1979d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 1980d613b6a7SJames Smart struct scatterlist *sgel; 1981d613b6a7SJames Smart union lpfc_wqe128 *wqe; 1982d613b6a7SJames Smart uint32_t *txrdy; 1983d613b6a7SJames Smart dma_addr_t physaddr; 1984d613b6a7SJames Smart int i, cnt; 1985d613b6a7SJames Smart int xc = 1; 1986d613b6a7SJames Smart 1987d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 1988d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1989ce1b591cSJames Smart "6107 NVMET prep FCP wqe: link err:" 1990ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 1991ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 1992d613b6a7SJames Smart return NULL; 1993d613b6a7SJames Smart } 1994d613b6a7SJames Smart 1995d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 1996d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 1997d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 1998d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 1999d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2000ce1b591cSJames Smart "6108 NVMET prep FCP wqe: no ndlp: " 2001ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2002ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2003d613b6a7SJames Smart return NULL; 2004d613b6a7SJames Smart } 2005d613b6a7SJames Smart 20064d4c4a4aSJames Smart if (rsp->sg_cnt > phba->cfg_nvme_seg_cnt) { 2007d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2008ce1b591cSJames Smart "6109 NVMET prep FCP wqe: seg cnt err: " 2009ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d cnt %d\n", 2010ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state, 2011ce1b591cSJames Smart phba->cfg_nvme_seg_cnt); 2012d613b6a7SJames Smart return NULL; 2013d613b6a7SJames Smart } 2014d613b6a7SJames Smart 2015d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2016d613b6a7SJames Smart nvmewqe = ctxp->wqeq; 2017d613b6a7SJames Smart if (nvmewqe == NULL) { 2018d613b6a7SJames Smart /* Allocate buffer for command wqe */ 20196c621a22SJames Smart nvmewqe = ctxp->ctxbuf->iocbq; 2020d613b6a7SJames Smart if (nvmewqe == NULL) { 2021d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2022ce1b591cSJames Smart "6110 NVMET prep FCP wqe: No " 2023ce1b591cSJames Smart "WQE: NPORT x%x oxid x%x ste %d\n", 2024ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2025d613b6a7SJames Smart return NULL; 2026d613b6a7SJames Smart } 2027d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2028d613b6a7SJames Smart xc = 0; /* create new XRI */ 2029d613b6a7SJames Smart nvmewqe->sli4_lxritag = NO_XRI; 2030d613b6a7SJames Smart nvmewqe->sli4_xritag = NO_XRI; 2031d613b6a7SJames Smart } 2032d613b6a7SJames Smart 2033d613b6a7SJames Smart /* Sanity check */ 2034d613b6a7SJames Smart if (((ctxp->state == LPFC_NVMET_STE_RCV) && 2035d613b6a7SJames Smart (ctxp->entry_cnt == 1)) || 2036ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_DATA)) { 2037d613b6a7SJames Smart wqe = (union lpfc_wqe128 *)&nvmewqe->wqe; 2038d613b6a7SJames Smart } else { 2039d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2040ce1b591cSJames Smart "6111 Wrong state NVMET FCP: %d cnt %d\n", 2041ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt); 2042d613b6a7SJames Smart return NULL; 2043d613b6a7SJames Smart } 2044d613b6a7SJames Smart 20456c621a22SJames Smart sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; 2046d613b6a7SJames Smart switch (rsp->op) { 2047d613b6a7SJames Smart case NVMET_FCOP_READDATA: 2048d613b6a7SJames Smart case NVMET_FCOP_READDATA_RSP: 2049d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2050d613b6a7SJames Smart sgel = &rsp->sg[0]; 2051d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2052d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2053d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeSize = sg_dma_len(sgel); 2054d613b6a7SJames Smart wqe->fcp_tsend.bde.addrLow = cpu_to_le32(putPaddrLow(physaddr)); 2055d613b6a7SJames Smart wqe->fcp_tsend.bde.addrHigh = 2056d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2057d613b6a7SJames Smart 2058d613b6a7SJames Smart /* Word 3 */ 2059d613b6a7SJames Smart wqe->fcp_tsend.payload_offset_len = 0; 2060d613b6a7SJames Smart 2061d613b6a7SJames Smart /* Word 4 */ 2062d613b6a7SJames Smart wqe->fcp_tsend.relative_offset = ctxp->offset; 2063d613b6a7SJames Smart 2064d613b6a7SJames Smart /* Word 5 */ 2065d613b6a7SJames Smart 2066d613b6a7SJames Smart /* Word 6 */ 2067d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_tsend.wqe_com, 2068d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2069d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_tsend.wqe_com, 2070d613b6a7SJames Smart nvmewqe->sli4_xritag); 2071d613b6a7SJames Smart 2072d613b6a7SJames Smart /* Word 7 */ 2073c6e0c925SDick Kennedy bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, 1); 2074d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE); 2075d613b6a7SJames Smart 2076d613b6a7SJames Smart /* Word 8 */ 2077d613b6a7SJames Smart wqe->fcp_tsend.wqe_com.abort_tag = nvmewqe->iotag; 2078d613b6a7SJames Smart 2079d613b6a7SJames Smart /* Word 9 */ 2080d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_tsend.wqe_com, nvmewqe->iotag); 2081d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_tsend.wqe_com, ctxp->oxid); 2082d613b6a7SJames Smart 2083d613b6a7SJames Smart /* Word 10 */ 2084d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 2085d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->fcp_tsend.wqe_com, 1); 2086d613b6a7SJames Smart bf_set(wqe_iod, &wqe->fcp_tsend.wqe_com, LPFC_WQE_IOD_WRITE); 2087d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->fcp_tsend.wqe_com, 2088d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2089d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->fcp_tsend.wqe_com, 0); 2090d613b6a7SJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, xc); 2091d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 2092d613b6a7SJames Smart if (phba->cfg_nvme_oas) 2093d613b6a7SJames Smart bf_set(wqe_oas, &wqe->fcp_tsend.wqe_com, 1); 2094d613b6a7SJames Smart 2095d613b6a7SJames Smart /* Word 11 */ 2096d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->fcp_tsend.wqe_com, 2097d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2098d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->fcp_tsend.wqe_com, 2099d613b6a7SJames Smart FCP_COMMAND_TSEND); 2100d613b6a7SJames Smart 2101d613b6a7SJames Smart /* Word 12 */ 2102d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2103d613b6a7SJames Smart 2104d613b6a7SJames Smart /* Setup 2 SKIP SGEs */ 2105d613b6a7SJames Smart sgl->addr_hi = 0; 2106d613b6a7SJames Smart sgl->addr_lo = 0; 2107d613b6a7SJames Smart sgl->word2 = 0; 2108d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2109d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2110d613b6a7SJames Smart sgl->sge_len = 0; 2111d613b6a7SJames Smart sgl++; 2112d613b6a7SJames Smart sgl->addr_hi = 0; 2113d613b6a7SJames Smart sgl->addr_lo = 0; 2114d613b6a7SJames Smart sgl->word2 = 0; 2115d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2116d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2117d613b6a7SJames Smart sgl->sge_len = 0; 2118d613b6a7SJames Smart sgl++; 2119d613b6a7SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 2120d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read_rsp); 2121d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 1); 2122d613b6a7SJames Smart if ((ndlp->nlp_flag & NLP_SUPPRESS_RSP) && 2123d613b6a7SJames Smart (rsp->rsplen == 12)) { 2124d613b6a7SJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 1); 2125d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 0); 2126d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 0); 2127d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 0); 2128d613b6a7SJames Smart } else { 2129d613b6a7SJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 2130d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 1); 2131d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 1); 2132d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 2133d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2134d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, 2135d613b6a7SJames Smart rsp->rsplen); 2136d613b6a7SJames Smart } 2137d613b6a7SJames Smart } else { 2138d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read); 2139d613b6a7SJames Smart 2140d613b6a7SJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 2141d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 0); 2142d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 0); 2143d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 0); 2144d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 0); 2145d613b6a7SJames Smart } 2146d613b6a7SJames Smart break; 2147d613b6a7SJames Smart 2148d613b6a7SJames Smart case NVMET_FCOP_WRITEDATA: 2149d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2150771db5c0SRomain Perier txrdy = dma_pool_alloc(phba->txrdy_payload_pool, 2151d613b6a7SJames Smart GFP_KERNEL, &physaddr); 2152d613b6a7SJames Smart if (!txrdy) { 2153d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2154d613b6a7SJames Smart "6041 Bad txrdy buffer: oxid x%x\n", 2155d613b6a7SJames Smart ctxp->oxid); 2156d613b6a7SJames Smart return NULL; 2157d613b6a7SJames Smart } 2158d613b6a7SJames Smart ctxp->txrdy = txrdy; 2159d613b6a7SJames Smart ctxp->txrdy_phys = physaddr; 2160d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2161d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN; 2162d613b6a7SJames Smart wqe->fcp_treceive.bde.addrLow = 2163d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2164d613b6a7SJames Smart wqe->fcp_treceive.bde.addrHigh = 2165d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2166d613b6a7SJames Smart 2167d613b6a7SJames Smart /* Word 3 */ 2168d613b6a7SJames Smart wqe->fcp_treceive.payload_offset_len = TXRDY_PAYLOAD_LEN; 2169d613b6a7SJames Smart 2170d613b6a7SJames Smart /* Word 4 */ 2171d613b6a7SJames Smart wqe->fcp_treceive.relative_offset = ctxp->offset; 2172d613b6a7SJames Smart 2173d613b6a7SJames Smart /* Word 5 */ 2174d613b6a7SJames Smart 2175d613b6a7SJames Smart /* Word 6 */ 2176d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_treceive.wqe_com, 2177d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2178d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_treceive.wqe_com, 2179d613b6a7SJames Smart nvmewqe->sli4_xritag); 2180d613b6a7SJames Smart 2181d613b6a7SJames Smart /* Word 7 */ 2182c6e0c925SDick Kennedy bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, 1); 2183d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0); 2184d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com, 2185d613b6a7SJames Smart CMD_FCP_TRECEIVE64_WQE); 2186d613b6a7SJames Smart 2187d613b6a7SJames Smart /* Word 8 */ 2188d613b6a7SJames Smart wqe->fcp_treceive.wqe_com.abort_tag = nvmewqe->iotag; 2189d613b6a7SJames Smart 2190d613b6a7SJames Smart /* Word 9 */ 2191d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_treceive.wqe_com, nvmewqe->iotag); 2192d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_treceive.wqe_com, ctxp->oxid); 2193d613b6a7SJames Smart 2194d613b6a7SJames Smart /* Word 10 */ 2195d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_treceive.wqe_com, 1); 2196d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->fcp_treceive.wqe_com, 1); 2197d613b6a7SJames Smart bf_set(wqe_iod, &wqe->fcp_treceive.wqe_com, LPFC_WQE_IOD_READ); 2198d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->fcp_treceive.wqe_com, 2199d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2200d613b6a7SJames Smart bf_set(wqe_xc, &wqe->fcp_treceive.wqe_com, xc); 2201d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_treceive.wqe_com, 0); 2202d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_treceive.wqe_com, 0); 2203d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_treceive.wqe_com, 0); 2204d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_treceive.wqe_com, 1); 2205d613b6a7SJames Smart if (phba->cfg_nvme_oas) 2206d613b6a7SJames Smart bf_set(wqe_oas, &wqe->fcp_treceive.wqe_com, 1); 2207d613b6a7SJames Smart 2208d613b6a7SJames Smart /* Word 11 */ 2209d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->fcp_treceive.wqe_com, 2210d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2211d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->fcp_treceive.wqe_com, 2212d613b6a7SJames Smart FCP_COMMAND_TRECEIVE); 2213d613b6a7SJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 2214d613b6a7SJames Smart 2215d613b6a7SJames Smart /* Word 12 */ 2216d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2217d613b6a7SJames Smart 2218d613b6a7SJames Smart /* Setup 1 TXRDY and 1 SKIP SGE */ 2219d613b6a7SJames Smart txrdy[0] = 0; 2220d613b6a7SJames Smart txrdy[1] = cpu_to_be32(rsp->transfer_length); 2221d613b6a7SJames Smart txrdy[2] = 0; 2222d613b6a7SJames Smart 2223d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2224d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2225d613b6a7SJames Smart sgl->word2 = 0; 2226d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2227d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2228d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN); 2229d613b6a7SJames Smart sgl++; 2230d613b6a7SJames Smart sgl->addr_hi = 0; 2231d613b6a7SJames Smart sgl->addr_lo = 0; 2232d613b6a7SJames Smart sgl->word2 = 0; 2233d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2234d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2235d613b6a7SJames Smart sgl->sge_len = 0; 2236d613b6a7SJames Smart sgl++; 2237d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_write); 2238d613b6a7SJames Smart break; 2239d613b6a7SJames Smart 2240d613b6a7SJames Smart case NVMET_FCOP_RSP: 2241d613b6a7SJames Smart /* Words 0 - 2 */ 2242d613b6a7SJames Smart physaddr = rsp->rspdma; 2243d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2244d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; 2245d613b6a7SJames Smart wqe->fcp_trsp.bde.addrLow = 2246d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2247d613b6a7SJames Smart wqe->fcp_trsp.bde.addrHigh = 2248d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2249d613b6a7SJames Smart 2250d613b6a7SJames Smart /* Word 3 */ 2251d613b6a7SJames Smart wqe->fcp_trsp.response_len = rsp->rsplen; 2252d613b6a7SJames Smart 2253d613b6a7SJames Smart /* Word 4 */ 2254d613b6a7SJames Smart wqe->fcp_trsp.rsvd_4_5[0] = 0; 2255d613b6a7SJames Smart 2256d613b6a7SJames Smart 2257d613b6a7SJames Smart /* Word 5 */ 2258d613b6a7SJames Smart 2259d613b6a7SJames Smart /* Word 6 */ 2260d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_trsp.wqe_com, 2261d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2262d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_trsp.wqe_com, 2263d613b6a7SJames Smart nvmewqe->sli4_xritag); 2264d613b6a7SJames Smart 2265d613b6a7SJames Smart /* Word 7 */ 2266c6e0c925SDick Kennedy bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, 0); 2267d613b6a7SJames Smart bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1); 2268d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE); 2269d613b6a7SJames Smart 2270d613b6a7SJames Smart /* Word 8 */ 2271d613b6a7SJames Smart wqe->fcp_trsp.wqe_com.abort_tag = nvmewqe->iotag; 2272d613b6a7SJames Smart 2273d613b6a7SJames Smart /* Word 9 */ 2274d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_trsp.wqe_com, nvmewqe->iotag); 2275d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_trsp.wqe_com, ctxp->oxid); 2276d613b6a7SJames Smart 2277d613b6a7SJames Smart /* Word 10 */ 2278d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_trsp.wqe_com, 1); 2279d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->fcp_trsp.wqe_com, 0); 2280d613b6a7SJames Smart bf_set(wqe_iod, &wqe->fcp_trsp.wqe_com, LPFC_WQE_IOD_WRITE); 2281d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->fcp_trsp.wqe_com, 2282d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD3); 2283d613b6a7SJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, xc); 2284d613b6a7SJames Smart bf_set(wqe_nvme, &wqe->fcp_trsp.wqe_com, 1); 2285d613b6a7SJames Smart if (phba->cfg_nvme_oas) 2286d613b6a7SJames Smart bf_set(wqe_oas, &wqe->fcp_trsp.wqe_com, 1); 2287d613b6a7SJames Smart 2288d613b6a7SJames Smart /* Word 11 */ 2289d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->fcp_trsp.wqe_com, 2290d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2291d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->fcp_trsp.wqe_com, 2292d613b6a7SJames Smart FCP_COMMAND_TRSP); 2293d613b6a7SJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 2294d613b6a7SJames Smart 2295d613b6a7SJames Smart if (rsp->rsplen == LPFC_NVMET_SUCCESS_LEN) { 2296d613b6a7SJames Smart /* Good response - all zero's on wire */ 2297d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 0); 2298d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 0); 2299d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 0); 2300d613b6a7SJames Smart } else { 2301d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 1); 2302d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 1); 2303d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 2304d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2305d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, rsp->rsplen); 2306d613b6a7SJames Smart } 2307d613b6a7SJames Smart 2308d613b6a7SJames Smart /* Use rspbuf, NOT sg list */ 2309d613b6a7SJames Smart rsp->sg_cnt = 0; 2310d613b6a7SJames Smart sgl->word2 = 0; 2311d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp); 2312d613b6a7SJames Smart break; 2313d613b6a7SJames Smart 2314d613b6a7SJames Smart default: 2315d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 2316d613b6a7SJames Smart "6064 Unknown Rsp Op %d\n", 2317d613b6a7SJames Smart rsp->op); 2318d613b6a7SJames Smart return NULL; 2319d613b6a7SJames Smart } 2320d613b6a7SJames Smart 2321d613b6a7SJames Smart nvmewqe->retry = 1; 2322d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2323d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2324d613b6a7SJames Smart nvmewqe->context1 = ndlp; 2325d613b6a7SJames Smart 2326d613b6a7SJames Smart for (i = 0; i < rsp->sg_cnt; i++) { 2327d613b6a7SJames Smart sgel = &rsp->sg[i]; 2328d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2329d613b6a7SJames Smart cnt = sg_dma_len(sgel); 2330d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2331d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2332d613b6a7SJames Smart sgl->word2 = 0; 2333d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2334d613b6a7SJames Smart bf_set(lpfc_sli4_sge_offset, sgl, ctxp->offset); 2335d613b6a7SJames Smart if ((i+1) == rsp->sg_cnt) 2336d613b6a7SJames Smart bf_set(lpfc_sli4_sge_last, sgl, 1); 2337d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2338d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(cnt); 2339d613b6a7SJames Smart sgl++; 2340d613b6a7SJames Smart ctxp->offset += cnt; 2341d613b6a7SJames Smart } 2342ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_DATA; 2343ce1b591cSJames Smart ctxp->entry_cnt++; 2344d613b6a7SJames Smart return nvmewqe; 2345d613b6a7SJames Smart } 2346d613b6a7SJames Smart 2347d613b6a7SJames Smart /** 2348d613b6a7SJames Smart * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS 2349d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2350d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2351d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2352d613b6a7SJames Smart * 2353d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2354d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2355d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2356d613b6a7SJames Smart **/ 2357d613b6a7SJames Smart static void 2358d613b6a7SJames Smart lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2359d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2360d613b6a7SJames Smart { 2361d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2362d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2363d613b6a7SJames Smart uint32_t status, result; 236419b58d94SJames Smart unsigned long flags; 236519b58d94SJames Smart bool released = false; 2366d613b6a7SJames Smart 2367d613b6a7SJames Smart ctxp = cmdwqe->context2; 2368d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2369d613b6a7SJames Smart result = wcqe->parameter; 2370d613b6a7SJames Smart 2371d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2372547077a4SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 2373547077a4SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 2374d613b6a7SJames Smart 2375d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 237686c67379SJames Smart 237786c67379SJames Smart /* Check if we already received a free context call 237886c67379SJames Smart * and we have completed processing an abort situation. 237986c67379SJames Smart */ 238019b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 238186c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 238286c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 238386c67379SJames Smart list_del(&ctxp->list); 238419b58d94SJames Smart released = true; 238586c67379SJames Smart } 238619b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 238719b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2388547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 238919b58d94SJames Smart 2390e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 239186c67379SJames Smart "6165 ABORT cmpl: xri x%x flg x%x (%d) " 239286c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 239386c67379SJames Smart ctxp->oxid, ctxp->flag, released, 239486c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 239586c67379SJames Smart result, wcqe->word3); 239686c67379SJames Smart 23976c621a22SJames Smart cmdwqe->context2 = NULL; 23986c621a22SJames Smart cmdwqe->context3 = NULL; 239919b58d94SJames Smart /* 240019b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 240119b58d94SJames Smart * will be recycled by transport release call. 240219b58d94SJames Smart */ 240319b58d94SJames Smart if (released) 24046c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 2405d613b6a7SJames Smart 24066c621a22SJames Smart /* This is the iocbq for the abort, not the command */ 2407d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 240886c67379SJames Smart 240986c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 241086c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 241186c67379SJames Smart * should have been called already. 241286c67379SJames Smart */ 2413d613b6a7SJames Smart } 2414d613b6a7SJames Smart 2415d613b6a7SJames Smart /** 241686c67379SJames Smart * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS 2417d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2418d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2419d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2420d613b6a7SJames Smart * 2421d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2422d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2423d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2424d613b6a7SJames Smart **/ 2425d613b6a7SJames Smart static void 242686c67379SJames Smart lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2427d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2428d613b6a7SJames Smart { 2429d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2430d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 243119b58d94SJames Smart unsigned long flags; 2432d613b6a7SJames Smart uint32_t status, result; 243319b58d94SJames Smart bool released = false; 2434d613b6a7SJames Smart 2435d613b6a7SJames Smart ctxp = cmdwqe->context2; 2436d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2437d613b6a7SJames Smart result = wcqe->parameter; 2438d613b6a7SJames Smart 243986c67379SJames Smart if (!ctxp) { 244086c67379SJames Smart /* if context is clear, related io alrady complete */ 2441d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 244286c67379SJames Smart "6070 ABTS cmpl: WCQE: %08x %08x %08x %08x\n", 244386c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 2444d613b6a7SJames Smart result, wcqe->word3); 244586c67379SJames Smart return; 244686c67379SJames Smart } 2447d613b6a7SJames Smart 244878e1d200SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 244978e1d200SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 245078e1d200SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 245178e1d200SJames Smart 2452d613b6a7SJames Smart /* Sanity check */ 2453d613b6a7SJames Smart if (ctxp->state != LPFC_NVMET_STE_ABORT) { 2454d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 245586c67379SJames Smart "6112 ABTS Wrong state:%d oxid x%x\n", 2456d613b6a7SJames Smart ctxp->state, ctxp->oxid); 2457d613b6a7SJames Smart } 245886c67379SJames Smart 245986c67379SJames Smart /* Check if we already received a free context call 246086c67379SJames Smart * and we have completed processing an abort situation. 246186c67379SJames Smart */ 2462d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 246319b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 246486c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 246586c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 246686c67379SJames Smart list_del(&ctxp->list); 246719b58d94SJames Smart released = true; 246886c67379SJames Smart } 246919b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 247019b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2471547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 247219b58d94SJames Smart 247386c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 247486c67379SJames Smart "6316 ABTS cmpl xri x%x flg x%x (%x) " 247586c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 247686c67379SJames Smart ctxp->oxid, ctxp->flag, released, 247786c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 247886c67379SJames Smart result, wcqe->word3); 24796c621a22SJames Smart 24806c621a22SJames Smart cmdwqe->context2 = NULL; 24816c621a22SJames Smart cmdwqe->context3 = NULL; 248219b58d94SJames Smart /* 248319b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 248419b58d94SJames Smart * will be recycled by transport release call. 248519b58d94SJames Smart */ 248619b58d94SJames Smart if (released) 24876c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 248886c67379SJames Smart 248986c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 249086c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 249186c67379SJames Smart * should have been called already. 249286c67379SJames Smart */ 2493d613b6a7SJames Smart } 2494d613b6a7SJames Smart 2495d613b6a7SJames Smart /** 2496d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS 2497d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2498d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2499d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2500d613b6a7SJames Smart * 2501d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2502d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for LS cmds 2503d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2504d613b6a7SJames Smart **/ 2505d613b6a7SJames Smart static void 2506d613b6a7SJames Smart lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2507d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2508d613b6a7SJames Smart { 2509d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2510d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2511d613b6a7SJames Smart uint32_t status, result; 2512d613b6a7SJames Smart 2513d613b6a7SJames Smart ctxp = cmdwqe->context2; 2514d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2515d613b6a7SJames Smart result = wcqe->parameter; 2516d613b6a7SJames Smart 2517d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2518547077a4SJames Smart atomic_inc(&tgtp->xmt_ls_abort_cmpl); 2519d613b6a7SJames Smart 2520d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2521d613b6a7SJames Smart "6083 Abort cmpl: ctx %p WCQE:%08x %08x %08x %08x\n", 2522d613b6a7SJames Smart ctxp, wcqe->word0, wcqe->total_data_placed, 2523d613b6a7SJames Smart result, wcqe->word3); 2524d613b6a7SJames Smart 2525ce1b591cSJames Smart if (!ctxp) { 2526ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2527ce1b591cSJames Smart "6415 NVMET LS Abort No ctx: WCQE: " 2528ce1b591cSJames Smart "%08x %08x %08x %08x\n", 2529ce1b591cSJames Smart wcqe->word0, wcqe->total_data_placed, 2530ce1b591cSJames Smart result, wcqe->word3); 2531ce1b591cSJames Smart 2532ce1b591cSJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2533ce1b591cSJames Smart return; 2534ce1b591cSJames Smart } 2535ce1b591cSJames Smart 2536ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) { 2537ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2538ce1b591cSJames Smart "6416 NVMET LS abort cmpl state mismatch: " 2539ce1b591cSJames Smart "oxid x%x: %d %d\n", 2540ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 2541ce1b591cSJames Smart } 2542ce1b591cSJames Smart 2543d613b6a7SJames Smart cmdwqe->context2 = NULL; 2544d613b6a7SJames Smart cmdwqe->context3 = NULL; 2545d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2546d613b6a7SJames Smart kfree(ctxp); 2547d613b6a7SJames Smart } 2548d613b6a7SJames Smart 2549d613b6a7SJames Smart static int 2550d613b6a7SJames Smart lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, 2551d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2552d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2553d613b6a7SJames Smart { 2554d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2555d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2556d613b6a7SJames Smart union lpfc_wqe *wqe_abts; 2557d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2558d613b6a7SJames Smart 2559d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 256086c67379SJames Smart "6067 ABTS: sid %x xri x%x/x%x\n", 2561318083adSJames Smart sid, xri, ctxp->wqeq->sli4_xritag); 2562d613b6a7SJames Smart 2563d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2564d613b6a7SJames Smart 2565d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2566d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2567d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2568d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2569d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2570ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2571d613b6a7SJames Smart "6134 Drop ABTS - wrong NDLP state x%x.\n", 2572b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2573d613b6a7SJames Smart 2574d613b6a7SJames Smart /* No failure to an ABTS request. */ 2575d613b6a7SJames Smart return 0; 2576d613b6a7SJames Smart } 2577d613b6a7SJames Smart 2578d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 2579d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 2580d613b6a7SJames Smart 2581d613b6a7SJames Smart /* 2582d613b6a7SJames Smart * Since we zero the whole WQE, we need to ensure we set the WQE fields 2583d613b6a7SJames Smart * that were initialized in lpfc_sli4_nvmet_alloc. 2584d613b6a7SJames Smart */ 2585d613b6a7SJames Smart memset(wqe_abts, 0, sizeof(union lpfc_wqe)); 2586d613b6a7SJames Smart 2587d613b6a7SJames Smart /* Word 5 */ 2588d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe_abts->xmit_sequence.wge_ctl, 0); 2589d613b6a7SJames Smart bf_set(wqe_ls, &wqe_abts->xmit_sequence.wge_ctl, 1); 2590d613b6a7SJames Smart bf_set(wqe_la, &wqe_abts->xmit_sequence.wge_ctl, 0); 2591d613b6a7SJames Smart bf_set(wqe_rctl, &wqe_abts->xmit_sequence.wge_ctl, FC_RCTL_BA_ABTS); 2592d613b6a7SJames Smart bf_set(wqe_type, &wqe_abts->xmit_sequence.wge_ctl, FC_TYPE_BLS); 2593d613b6a7SJames Smart 2594d613b6a7SJames Smart /* Word 6 */ 2595d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe_abts->xmit_sequence.wqe_com, 2596d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2597d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe_abts->xmit_sequence.wqe_com, 2598d613b6a7SJames Smart abts_wqeq->sli4_xritag); 2599d613b6a7SJames Smart 2600d613b6a7SJames Smart /* Word 7 */ 2601d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe_abts->xmit_sequence.wqe_com, 2602d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2603d613b6a7SJames Smart bf_set(wqe_ct, &wqe_abts->xmit_sequence.wqe_com, SLI4_CT_RPI); 2604d613b6a7SJames Smart bf_set(wqe_class, &wqe_abts->xmit_sequence.wqe_com, CLASS3); 2605d613b6a7SJames Smart bf_set(wqe_pu, &wqe_abts->xmit_sequence.wqe_com, 0); 2606d613b6a7SJames Smart 2607d613b6a7SJames Smart /* Word 8 */ 2608d613b6a7SJames Smart wqe_abts->xmit_sequence.wqe_com.abort_tag = abts_wqeq->iotag; 2609d613b6a7SJames Smart 2610d613b6a7SJames Smart /* Word 9 */ 2611d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe_abts->xmit_sequence.wqe_com, abts_wqeq->iotag); 2612d613b6a7SJames Smart /* Needs to be set by caller */ 2613d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe_abts->xmit_sequence.wqe_com, xri); 2614d613b6a7SJames Smart 2615d613b6a7SJames Smart /* Word 10 */ 2616d613b6a7SJames Smart bf_set(wqe_dbde, &wqe_abts->xmit_sequence.wqe_com, 1); 2617d613b6a7SJames Smart bf_set(wqe_iod, &wqe_abts->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2618d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe_abts->xmit_sequence.wqe_com, 2619d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2620d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe_abts->xmit_sequence.wqe_com, 0); 2621d613b6a7SJames Smart bf_set(wqe_qosd, &wqe_abts->xmit_sequence.wqe_com, 0); 2622d613b6a7SJames Smart 2623d613b6a7SJames Smart /* Word 11 */ 2624d613b6a7SJames Smart bf_set(wqe_cqid, &wqe_abts->xmit_sequence.wqe_com, 2625d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2626d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe_abts->xmit_sequence.wqe_com, 2627d613b6a7SJames Smart OTHER_COMMAND); 2628d613b6a7SJames Smart 2629d613b6a7SJames Smart abts_wqeq->vport = phba->pport; 2630d613b6a7SJames Smart abts_wqeq->context1 = ndlp; 2631d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 2632d613b6a7SJames Smart abts_wqeq->context3 = NULL; 2633d613b6a7SJames Smart abts_wqeq->rsvd2 = 0; 2634d613b6a7SJames Smart /* hba_wqidx should already be setup from command we are aborting */ 2635d613b6a7SJames Smart abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; 2636d613b6a7SJames Smart abts_wqeq->iocb.ulpLe = 1; 2637d613b6a7SJames Smart 2638d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2639d613b6a7SJames Smart "6069 Issue ABTS to xri x%x reqtag x%x\n", 2640d613b6a7SJames Smart xri, abts_wqeq->iotag); 2641d613b6a7SJames Smart return 1; 2642d613b6a7SJames Smart } 2643d613b6a7SJames Smart 2644d613b6a7SJames Smart static int 2645d613b6a7SJames Smart lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, 2646d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2647d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2648d613b6a7SJames Smart { 2649d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2650d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2651d613b6a7SJames Smart union lpfc_wqe *abts_wqe; 2652d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2653d613b6a7SJames Smart unsigned long flags; 2654d613b6a7SJames Smart int rc; 2655d613b6a7SJames Smart 2656d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2657d613b6a7SJames Smart if (!ctxp->wqeq) { 26586c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 2659d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 2660d613b6a7SJames Smart } 2661d613b6a7SJames Smart 2662d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2663d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2664d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2665d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2666d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2667ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 266886c67379SJames Smart "6160 Drop ABORT - wrong NDLP state x%x.\n", 2669b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2670d613b6a7SJames Smart 2671d613b6a7SJames Smart /* No failure to an ABTS request. */ 267286c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2673d613b6a7SJames Smart return 0; 2674d613b6a7SJames Smart } 2675d613b6a7SJames Smart 2676d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 2677d613b6a7SJames Smart ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); 2678d613b6a7SJames Smart if (!ctxp->abort_wqeq) { 2679547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2680ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 268186c67379SJames Smart "6161 ABORT failed: No wqeqs: " 2682d613b6a7SJames Smart "xri: x%x\n", ctxp->oxid); 2683d613b6a7SJames Smart /* No failure to an ABTS request. */ 268486c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2685d613b6a7SJames Smart return 0; 2686d613b6a7SJames Smart } 2687d613b6a7SJames Smart abts_wqeq = ctxp->abort_wqeq; 2688d613b6a7SJames Smart abts_wqe = &abts_wqeq->wqe; 2689d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 2690d613b6a7SJames Smart 2691d613b6a7SJames Smart /* Announce entry to new IO submit field. */ 269286c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 269386c67379SJames Smart "6162 ABORT Request to rport DID x%06x " 2694d613b6a7SJames Smart "for xri x%x x%x\n", 2695d613b6a7SJames Smart ctxp->sid, ctxp->oxid, ctxp->wqeq->sli4_xritag); 2696d613b6a7SJames Smart 2697d613b6a7SJames Smart /* If the hba is getting reset, this flag is set. It is 2698d613b6a7SJames Smart * cleared when the reset is complete and rings reestablished. 2699d613b6a7SJames Smart */ 2700d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 2701d613b6a7SJames Smart /* driver queued commands are in process of being flushed */ 2702d613b6a7SJames Smart if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) { 2703d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2704547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2705d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 2706d613b6a7SJames Smart "6163 Driver in reset cleanup - flushing " 2707d613b6a7SJames Smart "NVME Req now. hba_flag x%x oxid x%x\n", 2708d613b6a7SJames Smart phba->hba_flag, ctxp->oxid); 2709d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 271086c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2711d613b6a7SJames Smart return 0; 2712d613b6a7SJames Smart } 2713d613b6a7SJames Smart 2714d613b6a7SJames Smart /* Outstanding abort is in progress */ 2715d613b6a7SJames Smart if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { 2716d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2717547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2718d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 2719d613b6a7SJames Smart "6164 Outstanding NVME I/O Abort Request " 2720d613b6a7SJames Smart "still pending on oxid x%x\n", 2721d613b6a7SJames Smart ctxp->oxid); 2722d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 272386c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2724d613b6a7SJames Smart return 0; 2725d613b6a7SJames Smart } 2726d613b6a7SJames Smart 2727d613b6a7SJames Smart /* Ready - mark outstanding as aborted by driver. */ 2728d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; 2729d613b6a7SJames Smart 2730d613b6a7SJames Smart /* WQEs are reused. Clear stale data and set key fields to 2731d613b6a7SJames Smart * zero like ia, iaab, iaar, xri_tag, and ctxt_tag. 2732d613b6a7SJames Smart */ 2733d613b6a7SJames Smart memset(abts_wqe, 0, sizeof(union lpfc_wqe)); 2734d613b6a7SJames Smart 2735d613b6a7SJames Smart /* word 3 */ 2736d613b6a7SJames Smart bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); 2737d613b6a7SJames Smart 2738d613b6a7SJames Smart /* word 7 */ 2739d613b6a7SJames Smart bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); 2740d613b6a7SJames Smart bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); 2741d613b6a7SJames Smart 2742d613b6a7SJames Smart /* word 8 - tell the FW to abort the IO associated with this 2743d613b6a7SJames Smart * outstanding exchange ID. 2744d613b6a7SJames Smart */ 2745d613b6a7SJames Smart abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag; 2746d613b6a7SJames Smart 2747d613b6a7SJames Smart /* word 9 - this is the iotag for the abts_wqe completion. */ 2748d613b6a7SJames Smart bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, 2749d613b6a7SJames Smart abts_wqeq->iotag); 2750d613b6a7SJames Smart 2751d613b6a7SJames Smart /* word 10 */ 2752d613b6a7SJames Smart bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); 2753d613b6a7SJames Smart bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); 2754d613b6a7SJames Smart 2755d613b6a7SJames Smart /* word 11 */ 2756d613b6a7SJames Smart bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); 2757d613b6a7SJames Smart bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); 2758d613b6a7SJames Smart bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 2759d613b6a7SJames Smart 2760d613b6a7SJames Smart /* ABTS WQE must go to the same WQ as the WQE to be aborted */ 2761d613b6a7SJames Smart abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; 2762d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; 2763d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 2764d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME; 2765d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 27664550f9c7SJames Smart abts_wqeq->vport = phba->pport; 2767d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); 2768d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2769547077a4SJames Smart if (rc == WQE_SUCCESS) { 2770547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_sol); 2771d613b6a7SJames Smart return 0; 2772547077a4SJames Smart } 2773d613b6a7SJames Smart 2774547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 277586c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2776d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 277786c67379SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 277886c67379SJames Smart "6166 Failed ABORT issue_wqe with status x%x " 2779d613b6a7SJames Smart "for oxid x%x.\n", 2780d613b6a7SJames Smart rc, ctxp->oxid); 2781d613b6a7SJames Smart return 1; 2782d613b6a7SJames Smart } 2783d613b6a7SJames Smart 2784d613b6a7SJames Smart 2785d613b6a7SJames Smart static int 2786d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, 2787d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2788d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2789d613b6a7SJames Smart { 2790d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2791d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2792d613b6a7SJames Smart unsigned long flags; 2793d613b6a7SJames Smart int rc; 2794d613b6a7SJames Smart 2795d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2796d613b6a7SJames Smart if (!ctxp->wqeq) { 27976c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 2798d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 2799d613b6a7SJames Smart } 2800d613b6a7SJames Smart 2801ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 2802ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2803ce1b591cSJames Smart "6417 NVMET ABORT ctx freed %d %d oxid x%x\n", 2804ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 2805ce1b591cSJames Smart rc = WQE_BUSY; 2806ce1b591cSJames Smart goto aerr; 2807ce1b591cSJames Smart } 2808ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 2809ce1b591cSJames Smart ctxp->entry_cnt++; 2810d613b6a7SJames Smart rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); 2811d613b6a7SJames Smart if (rc == 0) 2812d613b6a7SJames Smart goto aerr; 2813d613b6a7SJames Smart 2814d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 2815d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 281686c67379SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; 281786c67379SJames Smart abts_wqeq->iocb_cmpl = NULL; 2818d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVMET; 2819d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); 2820d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2821d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 2822d613b6a7SJames Smart return 0; 2823d613b6a7SJames Smart } 2824d613b6a7SJames Smart 2825d613b6a7SJames Smart aerr: 282686c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2827d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2828ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2829d613b6a7SJames Smart "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n", 2830d613b6a7SJames Smart ctxp->oxid, rc); 2831d613b6a7SJames Smart return 1; 2832d613b6a7SJames Smart } 2833d613b6a7SJames Smart 2834d613b6a7SJames Smart static int 2835d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, 2836d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2837d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2838d613b6a7SJames Smart { 2839d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2840d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2841d613b6a7SJames Smart union lpfc_wqe *wqe_abts; 2842d613b6a7SJames Smart unsigned long flags; 2843d613b6a7SJames Smart int rc; 2844d613b6a7SJames Smart 2845ce1b591cSJames Smart if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) || 2846ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) { 2847ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 2848ce1b591cSJames Smart ctxp->entry_cnt++; 2849ce1b591cSJames Smart } else { 2850ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2851ce1b591cSJames Smart "6418 NVMET LS abort state mismatch " 2852ce1b591cSJames Smart "IO x%x: %d %d\n", 2853ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 2854ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 2855ce1b591cSJames Smart } 2856ce1b591cSJames Smart 2857d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2858d613b6a7SJames Smart if (!ctxp->wqeq) { 2859d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 2860d613b6a7SJames Smart ctxp->wqeq = lpfc_sli_get_iocbq(phba); 2861d613b6a7SJames Smart if (!ctxp->wqeq) { 2862ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2863d613b6a7SJames Smart "6068 Abort failed: No wqeqs: " 2864d613b6a7SJames Smart "xri: x%x\n", xri); 2865d613b6a7SJames Smart /* No failure to an ABTS request. */ 2866d613b6a7SJames Smart kfree(ctxp); 2867d613b6a7SJames Smart return 0; 2868d613b6a7SJames Smart } 2869d613b6a7SJames Smart } 2870d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 2871d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 28726c621a22SJames Smart 2873ce1b591cSJames Smart if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) { 2874ce1b591cSJames Smart rc = WQE_BUSY; 2875ce1b591cSJames Smart goto out; 2876ce1b591cSJames Smart } 2877d613b6a7SJames Smart 2878d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 2879d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; 2880d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 2881d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; 2882d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, abts_wqeq); 2883d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2884d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 2885547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_unsol); 2886d613b6a7SJames Smart return 0; 2887d613b6a7SJames Smart } 2888ce1b591cSJames Smart out: 2889d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2890d613b6a7SJames Smart abts_wqeq->context2 = NULL; 2891d613b6a7SJames Smart abts_wqeq->context3 = NULL; 2892d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 2893d613b6a7SJames Smart kfree(ctxp); 2894ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2895d613b6a7SJames Smart "6056 Failed to Issue ABTS. Status x%x\n", rc); 2896d613b6a7SJames Smart return 0; 2897d613b6a7SJames Smart } 2898