1095 lines
25 KiB
C
1095 lines
25 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021 Broadcom. All Rights Reserved. The term
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* “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
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*/
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/*
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* Functions to build and send ELS/CT/BLS commands and responses.
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*/
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#include "efc.h"
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#include "efc_els.h"
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#include "../libefc_sli/sli4.h"
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#define EFC_LOG_ENABLE_ELS_TRACE(efc) \
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(((efc) != NULL) ? (((efc)->logmask & (1U << 1)) != 0) : 0)
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#define node_els_trace() \
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do { \
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if (EFC_LOG_ENABLE_ELS_TRACE(efc)) \
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efc_log_info(efc, "[%s] %-20s\n", \
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node->display_name, __func__); \
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} while (0)
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#define els_io_printf(els, fmt, ...) \
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efc_log_err((struct efc *)els->node->efc,\
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"[%s] %-8s " fmt, \
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els->node->display_name,\
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els->display_name, ##__VA_ARGS__)
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#define EFC_ELS_RSP_LEN 1024
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#define EFC_ELS_GID_PT_RSP_LEN 8096
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struct efc_els_io_req *
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efc_els_io_alloc(struct efc_node *node, u32 reqlen)
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{
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return efc_els_io_alloc_size(node, reqlen, EFC_ELS_RSP_LEN);
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}
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struct efc_els_io_req *
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efc_els_io_alloc_size(struct efc_node *node, u32 reqlen, u32 rsplen)
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{
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struct efc *efc;
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struct efc_els_io_req *els;
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unsigned long flags = 0;
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efc = node->efc;
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if (!node->els_io_enabled) {
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efc_log_err(efc, "els io alloc disabled\n");
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return NULL;
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}
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els = mempool_alloc(efc->els_io_pool, GFP_ATOMIC);
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if (!els) {
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atomic_add_return(1, &efc->els_io_alloc_failed_count);
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return NULL;
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}
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/* initialize refcount */
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kref_init(&els->ref);
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els->release = _efc_els_io_free;
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/* populate generic io fields */
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els->node = node;
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/* now allocate DMA for request and response */
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els->io.req.size = reqlen;
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els->io.req.virt = dma_alloc_coherent(&efc->pci->dev, els->io.req.size,
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&els->io.req.phys, GFP_KERNEL);
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if (!els->io.req.virt) {
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mempool_free(els, efc->els_io_pool);
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return NULL;
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}
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els->io.rsp.size = rsplen;
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els->io.rsp.virt = dma_alloc_coherent(&efc->pci->dev, els->io.rsp.size,
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&els->io.rsp.phys, GFP_KERNEL);
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if (!els->io.rsp.virt) {
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dma_free_coherent(&efc->pci->dev, els->io.req.size,
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els->io.req.virt, els->io.req.phys);
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mempool_free(els, efc->els_io_pool);
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els = NULL;
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}
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if (els) {
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/* initialize fields */
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els->els_retries_remaining = EFC_FC_ELS_DEFAULT_RETRIES;
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/* add els structure to ELS IO list */
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INIT_LIST_HEAD(&els->list_entry);
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spin_lock_irqsave(&node->els_ios_lock, flags);
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list_add_tail(&els->list_entry, &node->els_ios_list);
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spin_unlock_irqrestore(&node->els_ios_lock, flags);
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}
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return els;
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}
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void
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efc_els_io_free(struct efc_els_io_req *els)
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{
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kref_put(&els->ref, els->release);
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}
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void
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_efc_els_io_free(struct kref *arg)
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{
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struct efc_els_io_req *els =
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container_of(arg, struct efc_els_io_req, ref);
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struct efc *efc;
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struct efc_node *node;
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int send_empty_event = false;
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unsigned long flags = 0;
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node = els->node;
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efc = node->efc;
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spin_lock_irqsave(&node->els_ios_lock, flags);
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list_del(&els->list_entry);
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/* Send list empty event if the IO allocator
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* is disabled, and the list is empty
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* If node->els_io_enabled was not checked,
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* the event would be posted continually
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*/
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send_empty_event = (!node->els_io_enabled &&
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list_empty(&node->els_ios_list));
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spin_unlock_irqrestore(&node->els_ios_lock, flags);
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/* free ELS request and response buffers */
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dma_free_coherent(&efc->pci->dev, els->io.rsp.size,
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els->io.rsp.virt, els->io.rsp.phys);
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dma_free_coherent(&efc->pci->dev, els->io.req.size,
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els->io.req.virt, els->io.req.phys);
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mempool_free(els, efc->els_io_pool);
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if (send_empty_event)
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efc_scsi_io_list_empty(node->efc, node);
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}
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static void
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efc_els_retry(struct efc_els_io_req *els);
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static void
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efc_els_delay_timer_cb(struct timer_list *t)
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{
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struct efc_els_io_req *els = from_timer(els, t, delay_timer);
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/* Retry delay timer expired, retry the ELS request */
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efc_els_retry(els);
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}
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static int
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efc_els_req_cb(void *arg, u32 length, int status, u32 ext_status)
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{
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struct efc_els_io_req *els;
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struct efc_node *node;
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struct efc *efc;
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struct efc_node_cb cbdata;
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u32 reason_code;
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els = arg;
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node = els->node;
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efc = node->efc;
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if (status)
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els_io_printf(els, "status x%x ext x%x\n", status, ext_status);
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/* set the response len element of els->rsp */
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els->io.rsp.len = length;
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cbdata.status = status;
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cbdata.ext_status = ext_status;
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cbdata.header = NULL;
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cbdata.els_rsp = els->io.rsp;
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/* set the response len element of els->rsp */
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cbdata.rsp_len = length;
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/* FW returns the number of bytes received on the link in
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* the WCQE, not the amount placed in the buffer; use this info to
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* check if there was an overrun.
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*/
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if (length > els->io.rsp.size) {
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efc_log_warn(efc,
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"ELS response returned len=%d > buflen=%zu\n",
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length, els->io.rsp.size);
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_FAIL, &cbdata);
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return 0;
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}
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/* Post event to ELS IO object */
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switch (status) {
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case SLI4_FC_WCQE_STATUS_SUCCESS:
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_OK, &cbdata);
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break;
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case SLI4_FC_WCQE_STATUS_LS_RJT:
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reason_code = (ext_status >> 16) & 0xff;
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/* delay and retry if reason code is Logical Busy */
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switch (reason_code) {
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case ELS_RJT_BUSY:
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els->node->els_req_cnt--;
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els_io_printf(els,
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"LS_RJT Logical Busy, delay and retry\n");
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timer_setup(&els->delay_timer,
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efc_els_delay_timer_cb, 0);
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mod_timer(&els->delay_timer,
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jiffies + msecs_to_jiffies(5000));
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break;
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default:
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_RJT,
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&cbdata);
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break;
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}
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break;
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case SLI4_FC_WCQE_STATUS_LOCAL_REJECT:
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switch (ext_status) {
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case SLI4_FC_LOCAL_REJECT_SEQUENCE_TIMEOUT:
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efc_els_retry(els);
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break;
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default:
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efc_log_err(efc, "LOCAL_REJECT with ext status:%x\n",
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ext_status);
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_FAIL,
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&cbdata);
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break;
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}
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break;
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default: /* Other error */
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efc_log_warn(efc, "els req failed status x%x, ext_status x%x\n",
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status, ext_status);
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_FAIL, &cbdata);
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break;
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}
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return 0;
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}
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void efc_disc_io_complete(struct efc_disc_io *io, u32 len, u32 status,
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u32 ext_status)
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{
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struct efc_els_io_req *els =
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container_of(io, struct efc_els_io_req, io);
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WARN_ON_ONCE(!els->cb);
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((efc_hw_srrs_cb_t)els->cb) (els, len, status, ext_status);
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}
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static int efc_els_send_req(struct efc_node *node, struct efc_els_io_req *els,
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enum efc_disc_io_type io_type)
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{
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int rc = 0;
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struct efc *efc = node->efc;
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struct efc_node_cb cbdata;
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/* update ELS request counter */
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els->node->els_req_cnt++;
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/* Prepare the IO request details */
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els->io.io_type = io_type;
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els->io.xmit_len = els->io.req.size;
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els->io.rsp_len = els->io.rsp.size;
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els->io.rpi = node->rnode.indicator;
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els->io.vpi = node->nport->indicator;
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els->io.s_id = node->nport->fc_id;
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els->io.d_id = node->rnode.fc_id;
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if (node->rnode.attached)
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els->io.rpi_registered = true;
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els->cb = efc_els_req_cb;
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rc = efc->tt.send_els(efc, &els->io);
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if (!rc)
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return rc;
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cbdata.status = EFC_STATUS_INVALID;
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cbdata.ext_status = EFC_STATUS_INVALID;
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cbdata.els_rsp = els->io.rsp;
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efc_log_err(efc, "efc_els_send failed: %d\n", rc);
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_FAIL, &cbdata);
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return rc;
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}
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static void
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efc_els_retry(struct efc_els_io_req *els)
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{
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struct efc *efc;
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struct efc_node_cb cbdata;
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u32 rc;
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efc = els->node->efc;
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cbdata.status = EFC_STATUS_INVALID;
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cbdata.ext_status = EFC_STATUS_INVALID;
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cbdata.els_rsp = els->io.rsp;
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if (els->els_retries_remaining) {
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els->els_retries_remaining--;
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rc = efc->tt.send_els(efc, &els->io);
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} else {
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rc = -EIO;
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}
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if (rc) {
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efc_log_err(efc, "ELS retries exhausted\n");
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_REQ_FAIL, &cbdata);
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}
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}
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static int
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efc_els_acc_cb(void *arg, u32 length, int status, u32 ext_status)
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{
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struct efc_els_io_req *els;
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struct efc_node *node;
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struct efc *efc;
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struct efc_node_cb cbdata;
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els = arg;
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node = els->node;
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efc = node->efc;
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cbdata.status = status;
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cbdata.ext_status = ext_status;
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cbdata.header = NULL;
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cbdata.els_rsp = els->io.rsp;
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/* Post node event */
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switch (status) {
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case SLI4_FC_WCQE_STATUS_SUCCESS:
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_CMPL_OK, &cbdata);
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break;
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default: /* Other error */
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efc_log_warn(efc, "[%s] %-8s failed status x%x, ext x%x\n",
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node->display_name, els->display_name,
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status, ext_status);
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_CMPL_FAIL, &cbdata);
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break;
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}
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return 0;
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}
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static int
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efc_els_send_rsp(struct efc_els_io_req *els, u32 rsplen)
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{
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int rc = 0;
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struct efc_node_cb cbdata;
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struct efc_node *node = els->node;
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struct efc *efc = node->efc;
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/* increment ELS completion counter */
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node->els_cmpl_cnt++;
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els->io.io_type = EFC_DISC_IO_ELS_RESP;
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els->cb = efc_els_acc_cb;
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/* Prepare the IO request details */
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els->io.xmit_len = rsplen;
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els->io.rsp_len = els->io.rsp.size;
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els->io.rpi = node->rnode.indicator;
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els->io.vpi = node->nport->indicator;
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if (node->nport->fc_id != U32_MAX)
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els->io.s_id = node->nport->fc_id;
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else
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els->io.s_id = els->io.iparam.els.s_id;
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els->io.d_id = node->rnode.fc_id;
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if (node->attached)
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els->io.rpi_registered = true;
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rc = efc->tt.send_els(efc, &els->io);
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if (!rc)
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return rc;
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cbdata.status = EFC_STATUS_INVALID;
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cbdata.ext_status = EFC_STATUS_INVALID;
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cbdata.els_rsp = els->io.rsp;
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efc_els_io_cleanup(els, EFC_EVT_SRRS_ELS_CMPL_FAIL, &cbdata);
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return rc;
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}
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int
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efc_send_plogi(struct efc_node *node)
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{
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struct efc_els_io_req *els;
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struct efc *efc = node->efc;
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struct fc_els_flogi *plogi;
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node_els_trace();
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els = efc_els_io_alloc(node, sizeof(*plogi));
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if (!els) {
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efc_log_err(efc, "IO alloc failed\n");
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return -EIO;
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}
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els->display_name = "plogi";
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/* Build PLOGI request */
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plogi = els->io.req.virt;
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memcpy(plogi, node->nport->service_params, sizeof(*plogi));
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plogi->fl_cmd = ELS_PLOGI;
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memset(plogi->_fl_resvd, 0, sizeof(plogi->_fl_resvd));
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return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
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}
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int
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efc_send_flogi(struct efc_node *node)
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{
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struct efc_els_io_req *els;
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struct efc *efc;
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struct fc_els_flogi *flogi;
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efc = node->efc;
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node_els_trace();
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els = efc_els_io_alloc(node, sizeof(*flogi));
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if (!els) {
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efc_log_err(efc, "IO alloc failed\n");
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return -EIO;
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}
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els->display_name = "flogi";
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/* Build FLOGI request */
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flogi = els->io.req.virt;
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memcpy(flogi, node->nport->service_params, sizeof(*flogi));
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flogi->fl_cmd = ELS_FLOGI;
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memset(flogi->_fl_resvd, 0, sizeof(flogi->_fl_resvd));
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return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
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}
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int
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efc_send_fdisc(struct efc_node *node)
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{
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struct efc_els_io_req *els;
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struct efc *efc;
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struct fc_els_flogi *fdisc;
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efc = node->efc;
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node_els_trace();
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els = efc_els_io_alloc(node, sizeof(*fdisc));
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if (!els) {
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efc_log_err(efc, "IO alloc failed\n");
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return -EIO;
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}
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els->display_name = "fdisc";
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/* Build FDISC request */
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fdisc = els->io.req.virt;
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memcpy(fdisc, node->nport->service_params, sizeof(*fdisc));
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fdisc->fl_cmd = ELS_FDISC;
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memset(fdisc->_fl_resvd, 0, sizeof(fdisc->_fl_resvd));
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return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
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}
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int
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efc_send_prli(struct efc_node *node)
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{
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struct efc *efc = node->efc;
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struct efc_els_io_req *els;
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struct {
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struct fc_els_prli prli;
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struct fc_els_spp spp;
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} *pp;
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node_els_trace();
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els = efc_els_io_alloc(node, sizeof(*pp));
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if (!els) {
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efc_log_err(efc, "IO alloc failed\n");
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return -EIO;
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}
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els->display_name = "prli";
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/* Build PRLI request */
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pp = els->io.req.virt;
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memset(pp, 0, sizeof(*pp));
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|
|
pp->prli.prli_cmd = ELS_PRLI;
|
|
pp->prli.prli_spp_len = 16;
|
|
pp->prli.prli_len = cpu_to_be16(sizeof(*pp));
|
|
pp->spp.spp_type = FC_TYPE_FCP;
|
|
pp->spp.spp_type_ext = 0;
|
|
pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR;
|
|
pp->spp.spp_params = cpu_to_be32(FCP_SPPF_RD_XRDY_DIS |
|
|
(node->nport->enable_ini ?
|
|
FCP_SPPF_INIT_FCN : 0) |
|
|
(node->nport->enable_tgt ?
|
|
FCP_SPPF_TARG_FCN : 0));
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
|
|
}
|
|
|
|
int
|
|
efc_send_logo(struct efc_node *node)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els;
|
|
struct fc_els_logo *logo;
|
|
struct fc_els_flogi *sparams;
|
|
|
|
node_els_trace();
|
|
|
|
sparams = (struct fc_els_flogi *)node->nport->service_params;
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*logo));
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "logo";
|
|
|
|
/* Build LOGO request */
|
|
|
|
logo = els->io.req.virt;
|
|
|
|
memset(logo, 0, sizeof(*logo));
|
|
logo->fl_cmd = ELS_LOGO;
|
|
hton24(logo->fl_n_port_id, node->rnode.nport->fc_id);
|
|
logo->fl_n_port_wwn = sparams->fl_wwpn;
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
|
|
}
|
|
|
|
int
|
|
efc_send_adisc(struct efc_node *node)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els;
|
|
struct fc_els_adisc *adisc;
|
|
struct fc_els_flogi *sparams;
|
|
struct efc_nport *nport = node->nport;
|
|
|
|
node_els_trace();
|
|
|
|
sparams = (struct fc_els_flogi *)node->nport->service_params;
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*adisc));
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "adisc";
|
|
|
|
/* Build ADISC request */
|
|
|
|
adisc = els->io.req.virt;
|
|
|
|
memset(adisc, 0, sizeof(*adisc));
|
|
adisc->adisc_cmd = ELS_ADISC;
|
|
hton24(adisc->adisc_hard_addr, nport->fc_id);
|
|
adisc->adisc_wwpn = sparams->fl_wwpn;
|
|
adisc->adisc_wwnn = sparams->fl_wwnn;
|
|
hton24(adisc->adisc_port_id, node->rnode.nport->fc_id);
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
|
|
}
|
|
|
|
int
|
|
efc_send_scr(struct efc_node *node)
|
|
{
|
|
struct efc_els_io_req *els;
|
|
struct efc *efc = node->efc;
|
|
struct fc_els_scr *req;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*req));
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "scr";
|
|
|
|
req = els->io.req.virt;
|
|
|
|
memset(req, 0, sizeof(*req));
|
|
req->scr_cmd = ELS_SCR;
|
|
req->scr_reg_func = ELS_SCRF_FULL;
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_ELS_REQ);
|
|
}
|
|
|
|
int
|
|
efc_send_ls_rjt(struct efc_node *node, u32 ox_id, u32 reason_code,
|
|
u32 reason_code_expl, u32 vendor_unique)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_els_ls_rjt *rjt;
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*rjt));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
node_els_trace();
|
|
|
|
els->display_name = "ls_rjt";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
rjt = els->io.req.virt;
|
|
memset(rjt, 0, sizeof(*rjt));
|
|
|
|
rjt->er_cmd = ELS_LS_RJT;
|
|
rjt->er_reason = reason_code;
|
|
rjt->er_explan = reason_code_expl;
|
|
|
|
return efc_els_send_rsp(els, sizeof(*rjt));
|
|
}
|
|
|
|
int
|
|
efc_send_plogi_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_els_flogi *plogi;
|
|
struct fc_els_flogi *req = (struct fc_els_flogi *)node->service_params;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*plogi));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "plogi_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
plogi = els->io.req.virt;
|
|
|
|
/* copy our port's service parameters to payload */
|
|
memcpy(plogi, node->nport->service_params, sizeof(*plogi));
|
|
plogi->fl_cmd = ELS_LS_ACC;
|
|
memset(plogi->_fl_resvd, 0, sizeof(plogi->_fl_resvd));
|
|
|
|
/* Set Application header support bit if requested */
|
|
if (req->fl_csp.sp_features & cpu_to_be16(FC_SP_FT_BCAST))
|
|
plogi->fl_csp.sp_features |= cpu_to_be16(FC_SP_FT_BCAST);
|
|
|
|
return efc_els_send_rsp(els, sizeof(*plogi));
|
|
}
|
|
|
|
int
|
|
efc_send_flogi_p2p_acc(struct efc_node *node, u32 ox_id, u32 s_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_els_flogi *flogi;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*flogi));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "flogi_p2p_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
els->io.iparam.els.s_id = s_id;
|
|
|
|
flogi = els->io.req.virt;
|
|
|
|
/* copy our port's service parameters to payload */
|
|
memcpy(flogi, node->nport->service_params, sizeof(*flogi));
|
|
flogi->fl_cmd = ELS_LS_ACC;
|
|
memset(flogi->_fl_resvd, 0, sizeof(flogi->_fl_resvd));
|
|
|
|
memset(flogi->fl_cssp, 0, sizeof(flogi->fl_cssp));
|
|
|
|
return efc_els_send_rsp(els, sizeof(*flogi));
|
|
}
|
|
|
|
int
|
|
efc_send_prli_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct {
|
|
struct fc_els_prli prli;
|
|
struct fc_els_spp spp;
|
|
} *pp;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*pp));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "prli_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
pp = els->io.req.virt;
|
|
memset(pp, 0, sizeof(*pp));
|
|
|
|
pp->prli.prli_cmd = ELS_LS_ACC;
|
|
pp->prli.prli_spp_len = 0x10;
|
|
pp->prli.prli_len = cpu_to_be16(sizeof(*pp));
|
|
pp->spp.spp_type = FC_TYPE_FCP;
|
|
pp->spp.spp_type_ext = 0;
|
|
pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR | FC_SPP_RESP_ACK;
|
|
|
|
pp->spp.spp_params = cpu_to_be32(FCP_SPPF_RD_XRDY_DIS |
|
|
(node->nport->enable_ini ?
|
|
FCP_SPPF_INIT_FCN : 0) |
|
|
(node->nport->enable_tgt ?
|
|
FCP_SPPF_TARG_FCN : 0));
|
|
|
|
return efc_els_send_rsp(els, sizeof(*pp));
|
|
}
|
|
|
|
int
|
|
efc_send_prlo_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct {
|
|
struct fc_els_prlo prlo;
|
|
struct fc_els_spp spp;
|
|
} *pp;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*pp));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "prlo_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
pp = els->io.req.virt;
|
|
memset(pp, 0, sizeof(*pp));
|
|
pp->prlo.prlo_cmd = ELS_LS_ACC;
|
|
pp->prlo.prlo_obs = 0x10;
|
|
pp->prlo.prlo_len = cpu_to_be16(sizeof(*pp));
|
|
|
|
pp->spp.spp_type = FC_TYPE_FCP;
|
|
pp->spp.spp_type_ext = 0;
|
|
pp->spp.spp_flags = FC_SPP_RESP_ACK;
|
|
|
|
return efc_els_send_rsp(els, sizeof(*pp));
|
|
}
|
|
|
|
int
|
|
efc_send_ls_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_els_ls_acc *acc;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*acc));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "ls_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
acc = els->io.req.virt;
|
|
memset(acc, 0, sizeof(*acc));
|
|
|
|
acc->la_cmd = ELS_LS_ACC;
|
|
|
|
return efc_els_send_rsp(els, sizeof(*acc));
|
|
}
|
|
|
|
int
|
|
efc_send_logo_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc_els_io_req *els = NULL;
|
|
struct efc *efc = node->efc;
|
|
struct fc_els_ls_acc *logo;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*logo));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "logo_acc";
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
logo = els->io.req.virt;
|
|
memset(logo, 0, sizeof(*logo));
|
|
|
|
logo->la_cmd = ELS_LS_ACC;
|
|
|
|
return efc_els_send_rsp(els, sizeof(*logo));
|
|
}
|
|
|
|
int
|
|
efc_send_adisc_acc(struct efc_node *node, u32 ox_id)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_els_adisc *adisc;
|
|
struct fc_els_flogi *sparams;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*adisc));
|
|
if (!els) {
|
|
efc_log_err(efc, "els IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->display_name = "adisc_acc";
|
|
|
|
/* Go ahead and send the ELS_ACC */
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
els->io.iparam.els.ox_id = ox_id;
|
|
|
|
sparams = (struct fc_els_flogi *)node->nport->service_params;
|
|
adisc = els->io.req.virt;
|
|
memset(adisc, 0, sizeof(*adisc));
|
|
adisc->adisc_cmd = ELS_LS_ACC;
|
|
adisc->adisc_wwpn = sparams->fl_wwpn;
|
|
adisc->adisc_wwnn = sparams->fl_wwnn;
|
|
hton24(adisc->adisc_port_id, node->rnode.nport->fc_id);
|
|
|
|
return efc_els_send_rsp(els, sizeof(*adisc));
|
|
}
|
|
|
|
static inline void
|
|
fcct_build_req_header(struct fc_ct_hdr *hdr, u16 cmd, u16 max_size)
|
|
{
|
|
hdr->ct_rev = FC_CT_REV;
|
|
hdr->ct_fs_type = FC_FST_DIR;
|
|
hdr->ct_fs_subtype = FC_NS_SUBTYPE;
|
|
hdr->ct_options = 0;
|
|
hdr->ct_cmd = cpu_to_be16(cmd);
|
|
/* words */
|
|
hdr->ct_mr_size = cpu_to_be16(max_size / (sizeof(u32)));
|
|
hdr->ct_reason = 0;
|
|
hdr->ct_explan = 0;
|
|
hdr->ct_vendor = 0;
|
|
}
|
|
|
|
int
|
|
efc_ns_send_rftid(struct efc_node *node)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els;
|
|
struct {
|
|
struct fc_ct_hdr hdr;
|
|
struct fc_ns_rft_id rftid;
|
|
} *ct;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*ct));
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->io.iparam.ct.r_ctl = FC_RCTL_ELS_REQ;
|
|
els->io.iparam.ct.type = FC_TYPE_CT;
|
|
els->io.iparam.ct.df_ctl = 0;
|
|
els->io.iparam.ct.timeout = EFC_FC_ELS_SEND_DEFAULT_TIMEOUT;
|
|
|
|
els->display_name = "rftid";
|
|
|
|
ct = els->io.req.virt;
|
|
memset(ct, 0, sizeof(*ct));
|
|
fcct_build_req_header(&ct->hdr, FC_NS_RFT_ID,
|
|
sizeof(struct fc_ns_rft_id));
|
|
|
|
hton24(ct->rftid.fr_fid.fp_fid, node->rnode.nport->fc_id);
|
|
ct->rftid.fr_fts.ff_type_map[FC_TYPE_FCP / FC_NS_BPW] =
|
|
cpu_to_be32(1 << (FC_TYPE_FCP % FC_NS_BPW));
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_CT_REQ);
|
|
}
|
|
|
|
int
|
|
efc_ns_send_rffid(struct efc_node *node)
|
|
{
|
|
struct efc *efc = node->efc;
|
|
struct efc_els_io_req *els;
|
|
struct {
|
|
struct fc_ct_hdr hdr;
|
|
struct fc_ns_rff_id rffid;
|
|
} *ct;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc(node, sizeof(*ct));
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->io.iparam.ct.r_ctl = FC_RCTL_ELS_REQ;
|
|
els->io.iparam.ct.type = FC_TYPE_CT;
|
|
els->io.iparam.ct.df_ctl = 0;
|
|
els->io.iparam.ct.timeout = EFC_FC_ELS_SEND_DEFAULT_TIMEOUT;
|
|
|
|
els->display_name = "rffid";
|
|
ct = els->io.req.virt;
|
|
|
|
memset(ct, 0, sizeof(*ct));
|
|
fcct_build_req_header(&ct->hdr, FC_NS_RFF_ID,
|
|
sizeof(struct fc_ns_rff_id));
|
|
|
|
hton24(ct->rffid.fr_fid.fp_fid, node->rnode.nport->fc_id);
|
|
if (node->nport->enable_ini)
|
|
ct->rffid.fr_feat |= FCP_FEAT_INIT;
|
|
if (node->nport->enable_tgt)
|
|
ct->rffid.fr_feat |= FCP_FEAT_TARG;
|
|
ct->rffid.fr_type = FC_TYPE_FCP;
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_CT_REQ);
|
|
}
|
|
|
|
int
|
|
efc_ns_send_gidpt(struct efc_node *node)
|
|
{
|
|
struct efc_els_io_req *els = NULL;
|
|
struct efc *efc = node->efc;
|
|
struct {
|
|
struct fc_ct_hdr hdr;
|
|
struct fc_ns_gid_pt gidpt;
|
|
} *ct;
|
|
|
|
node_els_trace();
|
|
|
|
els = efc_els_io_alloc_size(node, sizeof(*ct), EFC_ELS_GID_PT_RSP_LEN);
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
els->io.iparam.ct.r_ctl = FC_RCTL_ELS_REQ;
|
|
els->io.iparam.ct.type = FC_TYPE_CT;
|
|
els->io.iparam.ct.df_ctl = 0;
|
|
els->io.iparam.ct.timeout = EFC_FC_ELS_SEND_DEFAULT_TIMEOUT;
|
|
|
|
els->display_name = "gidpt";
|
|
|
|
ct = els->io.req.virt;
|
|
|
|
memset(ct, 0, sizeof(*ct));
|
|
fcct_build_req_header(&ct->hdr, FC_NS_GID_PT,
|
|
sizeof(struct fc_ns_gid_pt));
|
|
|
|
ct->gidpt.fn_pt_type = FC_TYPE_FCP;
|
|
|
|
return efc_els_send_req(node, els, EFC_DISC_IO_CT_REQ);
|
|
}
|
|
|
|
void
|
|
efc_els_io_cleanup(struct efc_els_io_req *els, int evt, void *arg)
|
|
{
|
|
/* don't want further events that could come; e.g. abort requests
|
|
* from the node state machine; thus, disable state machine
|
|
*/
|
|
els->els_req_free = true;
|
|
efc_node_post_els_resp(els->node, evt, arg);
|
|
|
|
efc_els_io_free(els);
|
|
}
|
|
|
|
static int
|
|
efc_ct_acc_cb(void *arg, u32 length, int status, u32 ext_status)
|
|
{
|
|
struct efc_els_io_req *els = arg;
|
|
|
|
efc_els_io_free(els);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
efc_send_ct_rsp(struct efc *efc, struct efc_node *node, u16 ox_id,
|
|
struct fc_ct_hdr *ct_hdr, u32 cmd_rsp_code,
|
|
u32 reason_code, u32 reason_code_explanation)
|
|
{
|
|
struct efc_els_io_req *els = NULL;
|
|
struct fc_ct_hdr *rsp = NULL;
|
|
|
|
els = efc_els_io_alloc(node, 256);
|
|
if (!els) {
|
|
efc_log_err(efc, "IO alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
rsp = els->io.rsp.virt;
|
|
|
|
*rsp = *ct_hdr;
|
|
|
|
fcct_build_req_header(rsp, cmd_rsp_code, 0);
|
|
rsp->ct_reason = reason_code;
|
|
rsp->ct_explan = reason_code_explanation;
|
|
|
|
els->display_name = "ct_rsp";
|
|
els->cb = efc_ct_acc_cb;
|
|
|
|
/* Prepare the IO request details */
|
|
els->io.io_type = EFC_DISC_IO_CT_RESP;
|
|
els->io.xmit_len = sizeof(*rsp);
|
|
|
|
els->io.rpi = node->rnode.indicator;
|
|
els->io.d_id = node->rnode.fc_id;
|
|
|
|
memset(&els->io.iparam, 0, sizeof(els->io.iparam));
|
|
|
|
els->io.iparam.ct.ox_id = ox_id;
|
|
els->io.iparam.ct.r_ctl = 3;
|
|
els->io.iparam.ct.type = FC_TYPE_CT;
|
|
els->io.iparam.ct.df_ctl = 0;
|
|
els->io.iparam.ct.timeout = 5;
|
|
|
|
if (efc->tt.send_els(efc, &els->io)) {
|
|
efc_els_io_free(els);
|
|
return -EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
efc_send_bls_acc(struct efc_node *node, struct fc_frame_header *hdr)
|
|
{
|
|
struct sli_bls_params bls;
|
|
struct fc_ba_acc *acc;
|
|
struct efc *efc = node->efc;
|
|
|
|
memset(&bls, 0, sizeof(bls));
|
|
bls.ox_id = be16_to_cpu(hdr->fh_ox_id);
|
|
bls.rx_id = be16_to_cpu(hdr->fh_rx_id);
|
|
bls.s_id = ntoh24(hdr->fh_d_id);
|
|
bls.d_id = node->rnode.fc_id;
|
|
bls.rpi = node->rnode.indicator;
|
|
bls.vpi = node->nport->indicator;
|
|
|
|
acc = (void *)bls.payload;
|
|
acc->ba_ox_id = cpu_to_be16(bls.ox_id);
|
|
acc->ba_rx_id = cpu_to_be16(bls.rx_id);
|
|
acc->ba_high_seq_cnt = cpu_to_be16(U16_MAX);
|
|
|
|
return efc->tt.send_bls(efc, FC_RCTL_BA_ACC, &bls);
|
|
}
|