2361 lines
67 KiB
C
2361 lines
67 KiB
C
/*-
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* Copyright (c) 2017 Broadcom. All rights reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* OCS driver remote node handler. This file contains code that is shared
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* between fabric (ocs_fabric.c) and device (ocs_device.c) nodes.
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*/
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/*!
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* @defgroup node_common Node common support
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* @defgroup node_alloc Node allocation
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*/
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#include "ocs.h"
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#include "ocs_els.h"
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#include "ocs_device.h"
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#define SCSI_IOFMT "[%04x][i:%0*x t:%0*x h:%04x]"
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#define SCSI_ITT_SIZE(ocs) ((ocs->ocs_xport == OCS_XPORT_FC) ? 4 : 8)
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#define SCSI_IOFMT_ARGS(io) io->instance_index, SCSI_ITT_SIZE(io->ocs), io->init_task_tag, SCSI_ITT_SIZE(io->ocs), io->tgt_task_tag, io->hw_tag
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#define scsi_io_printf(io, fmt, ...) ocs_log_debug(io->ocs, "[%s]" SCSI_IOFMT fmt, \
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io->node->display_name, SCSI_IOFMT_ARGS(io), ##__VA_ARGS__)
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void ocs_mgmt_node_list(ocs_textbuf_t *textbuf, void *node);
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void ocs_mgmt_node_get_all(ocs_textbuf_t *textbuf, void *node);
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int ocs_mgmt_node_get(ocs_textbuf_t *textbuf, char *parent, char *name, void *node);
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int ocs_mgmt_node_set(char *parent, char *name, char *value, void *node);
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int ocs_mgmt_node_exec(char *parent, char *action, void *arg_in, uint32_t arg_in_length,
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void *arg_out, uint32_t arg_out_length, void *node);
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static ocs_mgmt_functions_t node_mgmt_functions = {
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.get_list_handler = ocs_mgmt_node_list,
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.get_handler = ocs_mgmt_node_get,
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.get_all_handler = ocs_mgmt_node_get_all,
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.set_handler = ocs_mgmt_node_set,
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.exec_handler = ocs_mgmt_node_exec,
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};
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/**
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* @ingroup node_common
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* @brief Device node state machine wait for all ELS's to
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* complete
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*
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* Abort all ELS's for given node.
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*
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* @param node node for which ELS's will be aborted
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*/
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void
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ocs_node_abort_all_els(ocs_node_t *node)
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{
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ocs_io_t *els;
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ocs_io_t *els_next;
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ocs_node_cb_t cbdata = {0};
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ocs_node_hold_frames(node);
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ocs_lock(&node->active_ios_lock);
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ocs_list_foreach_safe(&node->els_io_active_list, els, els_next) {
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ocs_log_debug(node->ocs, "[%s] initiate ELS abort %s\n", node->display_name, els->display_name);
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ocs_unlock(&node->active_ios_lock);
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cbdata.els = els;
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ocs_els_post_event(els, OCS_EVT_ABORT_ELS, &cbdata);
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ocs_lock(&node->active_ios_lock);
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}
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ocs_unlock(&node->active_ios_lock);
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}
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/**
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* @ingroup node_common
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* @brief Handle remote node events from HW
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*
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* Handle remote node events from HW. Essentially the HW event is translated into
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* a node state machine event that is posted to the affected node.
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*
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* @param arg pointer to ocs
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* @param event HW event to proceoss
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* @param data application specific data (pointer to the affected node)
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*
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* @return returns 0 for success, a negative error code value for failure.
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*/
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int32_t
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ocs_remote_node_cb(void *arg, ocs_hw_remote_node_event_e event, void *data)
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{
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ocs_t *ocs = arg;
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ocs_sm_event_t sm_event = OCS_EVT_LAST;
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ocs_remote_node_t *rnode = data;
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ocs_node_t *node = rnode->node;
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switch (event) {
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case OCS_HW_NODE_ATTACH_OK:
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sm_event = OCS_EVT_NODE_ATTACH_OK;
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break;
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case OCS_HW_NODE_ATTACH_FAIL:
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sm_event = OCS_EVT_NODE_ATTACH_FAIL;
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break;
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case OCS_HW_NODE_FREE_OK:
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sm_event = OCS_EVT_NODE_FREE_OK;
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break;
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case OCS_HW_NODE_FREE_FAIL:
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sm_event = OCS_EVT_NODE_FREE_FAIL;
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break;
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default:
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ocs_log_test(ocs, "unhandled event %#x\n", event);
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return -1;
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}
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/* If we're using HLM, forward the NODE_ATTACH_OK/FAIL event to all nodes in the node group */
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if ((node->node_group != NULL) &&
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((sm_event == OCS_EVT_NODE_ATTACH_OK) || (sm_event == OCS_EVT_NODE_ATTACH_FAIL))) {
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ocs_node_t *n = NULL;
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uint8_t attach_ok = sm_event == OCS_EVT_NODE_ATTACH_OK;
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ocs_sport_lock(node->sport);
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{
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ocs_list_foreach(&node->sport->node_list, n) {
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if (node == n) {
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continue;
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}
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ocs_node_lock(n);
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if ((!n->rnode.attached) && (node->node_group == n->node_group)) {
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n->rnode.attached = attach_ok;
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node_printf(n, "rpi[%d] deferred HLM node attach %s posted\n",
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n->rnode.index, attach_ok ? "ok" : "fail");
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ocs_node_post_event(n, sm_event, NULL);
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}
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ocs_node_unlock(n);
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}
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}
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ocs_sport_unlock(node->sport);
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}
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ocs_node_post_event(node, sm_event, NULL);
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return 0;
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}
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/**
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* @ingroup node_alloc
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* @brief Find an FC node structure given the FC port ID
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*
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* @param sport the SPORT to search
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* @param port_id FC port ID
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*
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* @return pointer to the object or NULL if not found
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*/
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ocs_node_t *
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ocs_node_find(ocs_sport_t *sport, uint32_t port_id)
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{
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ocs_node_t *node;
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ocs_assert(sport->lookup, NULL);
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ocs_sport_lock(sport);
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node = spv_get(sport->lookup, port_id);
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ocs_sport_unlock(sport);
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return node;
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}
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/**
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* @ingroup node_alloc
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* @brief Find an FC node structure given the WWPN
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*
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* @param sport the SPORT to search
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* @param wwpn the WWPN to search for (host endian)
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*
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* @return pointer to the object or NULL if not found
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*/
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ocs_node_t *
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ocs_node_find_wwpn(ocs_sport_t *sport, uint64_t wwpn)
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{
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ocs_node_t *node = NULL;
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ocs_assert(sport, NULL);
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ocs_sport_lock(sport);
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ocs_list_foreach(&sport->node_list, node) {
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if (ocs_node_get_wwpn(node) == wwpn) {
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ocs_sport_unlock(sport);
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return node;
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}
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}
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ocs_sport_unlock(sport);
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return NULL;
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}
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/**
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* @ingroup node_alloc
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* @brief allocate node object pool
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*
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* A pool of ocs_node_t objects is allocated.
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*
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* @param ocs pointer to driver instance context
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* @param node_count count of nodes to allocate
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*
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* @return returns 0 for success, a negative error code value for failure.
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*/
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int32_t
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ocs_node_create_pool(ocs_t *ocs, uint32_t node_count)
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{
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ocs_xport_t *xport = ocs->xport;
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uint32_t i;
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ocs_node_t *node;
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uint32_t max_sge;
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uint32_t num_sgl;
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uint64_t max_xfer_size;
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int32_t rc;
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xport->nodes_count = node_count;
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xport->nodes = ocs_malloc(ocs, node_count * sizeof(ocs_node_t *), OCS_M_ZERO | OCS_M_NOWAIT);
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if (xport->nodes == NULL) {
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ocs_log_err(ocs, "node ptrs allocation failed");
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return -1;
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}
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if (0 == ocs_hw_get(&ocs->hw, OCS_HW_MAX_SGE, &max_sge) &&
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0 == ocs_hw_get(&ocs->hw, OCS_HW_N_SGL, &num_sgl)) {
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max_xfer_size = (max_sge * (uint64_t)num_sgl);
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} else {
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max_xfer_size = 65536;
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}
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if (max_xfer_size > 65536)
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max_xfer_size = 65536;
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ocs_list_init(&xport->nodes_free_list, ocs_node_t, link);
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for (i = 0; i < node_count; i ++) {
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node = ocs_malloc(ocs, sizeof(ocs_node_t), OCS_M_ZERO | OCS_M_NOWAIT);
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if (node == NULL) {
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ocs_log_err(ocs, "node allocation failed");
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goto error;
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}
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/* Assign any persistent field values */
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node->instance_index = i;
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node->max_wr_xfer_size = max_xfer_size;
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node->rnode.indicator = UINT32_MAX;
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rc = ocs_dma_alloc(ocs, &node->sparm_dma_buf, 256, 16);
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if (rc) {
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ocs_free(ocs, node, sizeof(ocs_node_t));
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ocs_log_err(ocs, "ocs_dma_alloc failed: %d\n", rc);
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goto error;
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}
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xport->nodes[i] = node;
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ocs_list_add_tail(&xport->nodes_free_list, node);
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}
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return 0;
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error:
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ocs_node_free_pool(ocs);
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return -1;
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}
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/**
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* @ingroup node_alloc
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* @brief free node object pool
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*
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* The pool of previously allocated node objects is freed
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*
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* @param ocs pointer to driver instance context
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*
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* @return none
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*/
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void
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ocs_node_free_pool(ocs_t *ocs)
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{
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ocs_xport_t *xport = ocs->xport;
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ocs_node_t *node;
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uint32_t i;
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if (!xport->nodes)
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return;
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ocs_device_lock(ocs);
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for (i = 0; i < xport->nodes_count; i ++) {
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node = xport->nodes[i];
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if (node) {
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/* free sparam_dma_buf */
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ocs_dma_free(ocs, &node->sparm_dma_buf);
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ocs_free(ocs, node, sizeof(ocs_node_t));
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}
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xport->nodes[i] = NULL;
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}
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ocs_free(ocs, xport->nodes, (xport->nodes_count * sizeof(ocs_node_t *)));
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ocs_device_unlock(ocs);
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}
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/**
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* @ingroup node_alloc
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* @brief return pointer to node object given instance index
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*
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* A pointer to the node object given by an instance index is returned.
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*
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* @param ocs pointer to driver instance context
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* @param index instance index
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*
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* @return returns pointer to node object, or NULL
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*/
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ocs_node_t *
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ocs_node_get_instance(ocs_t *ocs, uint32_t index)
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{
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ocs_xport_t *xport = ocs->xport;
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ocs_node_t *node = NULL;
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if (index >= (xport->nodes_count)) {
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ocs_log_test(ocs, "invalid index: %d\n", index);
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return NULL;
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}
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node = xport->nodes[index];
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return node->attached ? node : NULL;
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}
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/**
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* @ingroup node_alloc
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* @brief Allocate an fc node structure and add to node list
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*
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* @param sport pointer to the SPORT from which this node is allocated
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* @param port_id FC port ID of new node
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* @param init Port is an inititiator (sent a plogi)
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* @param targ Port is potentially a target
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*
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* @return pointer to the object or NULL if none available
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*/
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ocs_node_t *
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ocs_node_alloc(ocs_sport_t *sport, uint32_t port_id, uint8_t init, uint8_t targ)
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{
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int32_t rc;
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ocs_node_t *node = NULL;
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uint32_t instance_index;
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uint32_t max_wr_xfer_size;
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ocs_t *ocs = sport->ocs;
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ocs_xport_t *xport = ocs->xport;
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ocs_dma_t sparm_dma_buf;
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ocs_assert(sport, NULL);
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if (sport->shutting_down) {
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ocs_log_debug(ocs, "node allocation when shutting down %06x", port_id);
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return NULL;
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}
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ocs_device_lock(ocs);
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node = ocs_list_remove_head(&xport->nodes_free_list);
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ocs_device_unlock(ocs);
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if (node == NULL) {
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ocs_log_err(ocs, "node allocation failed %06x", port_id);
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return NULL;
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}
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/* Save persistent values across memset zero */
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instance_index = node->instance_index;
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max_wr_xfer_size = node->max_wr_xfer_size;
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sparm_dma_buf = node->sparm_dma_buf;
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ocs_memset(node, 0, sizeof(*node));
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node->instance_index = instance_index;
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node->max_wr_xfer_size = max_wr_xfer_size;
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node->sparm_dma_buf = sparm_dma_buf;
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node->rnode.indicator = UINT32_MAX;
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node->sport = sport;
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ocs_sport_lock(sport);
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node->ocs = ocs;
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node->init = init;
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node->targ = targ;
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rc = ocs_hw_node_alloc(&ocs->hw, &node->rnode, port_id, sport);
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if (rc) {
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ocs_log_err(ocs, "ocs_hw_node_alloc failed: %d\n", rc);
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ocs_sport_unlock(sport);
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/* Return back to pool. */
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ocs_device_lock(ocs);
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ocs_list_add_tail(&xport->nodes_free_list, node);
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ocs_device_unlock(ocs);
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return NULL;
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}
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ocs_list_add_tail(&sport->node_list, node);
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ocs_node_lock_init(node);
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ocs_lock_init(ocs, &node->pend_frames_lock, "pend_frames_lock[%d]", node->instance_index);
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ocs_list_init(&node->pend_frames, ocs_hw_sequence_t, link);
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ocs_lock_init(ocs, &node->active_ios_lock, "active_ios[%d]", node->instance_index);
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ocs_list_init(&node->active_ios, ocs_io_t, link);
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ocs_list_init(&node->els_io_pend_list, ocs_io_t, link);
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ocs_list_init(&node->els_io_active_list, ocs_io_t, link);
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ocs_scsi_io_alloc_enable(node);
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/* zero the service parameters */
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ocs_memset(node->sparm_dma_buf.virt, 0, node->sparm_dma_buf.size);
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node->rnode.node = node;
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node->sm.app = node;
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node->evtdepth = 0;
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ocs_node_update_display_name(node);
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spv_set(sport->lookup, port_id, node);
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ocs_sport_unlock(sport);
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node->mgmt_functions = &node_mgmt_functions;
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return node;
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}
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/**
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* @ingroup node_alloc
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* @brief free a node structure
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*
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* The node structure given by 'node' is free'd
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*
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* @param node the node to free
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*
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* @return returns 0 for success, a negative error code value for failure.
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*/
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int32_t
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ocs_node_free(ocs_node_t *node)
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{
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ocs_sport_t *sport;
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ocs_t *ocs;
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ocs_xport_t *xport;
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ocs_hw_rtn_e rc = 0;
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ocs_node_t *ns = NULL;
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int post_all_free = FALSE;
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ocs_assert(node, -1);
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ocs_assert(node->sport, -1);
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ocs_assert(node->ocs, -1);
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sport = node->sport;
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ocs_assert(sport, -1);
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ocs = node->ocs;
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ocs_assert(ocs->xport, -1);
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xport = ocs->xport;
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node_printf(node, "Free'd\n");
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if(node->refound) {
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/*
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* Save the name server node. We will send fake RSCN event at
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* the end to handle ignored RSCN event during node deletion
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*/
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ns = ocs_node_find(node->sport, FC_ADDR_NAMESERVER);
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}
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|
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/* Remove from node list */
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ocs_sport_lock(sport);
|
|
ocs_list_remove(&sport->node_list, node);
|
|
|
|
/* Free HW resources */
|
|
if (OCS_HW_RTN_IS_ERROR((rc = ocs_hw_node_free_resources(&ocs->hw, &node->rnode)))) {
|
|
ocs_log_test(ocs, "ocs_hw_node_free failed: %d\n", rc);
|
|
rc = -1;
|
|
}
|
|
|
|
/* if the gidpt_delay_timer is still running, then delete it */
|
|
if (ocs_timer_pending(&node->gidpt_delay_timer)) {
|
|
ocs_del_timer(&node->gidpt_delay_timer);
|
|
}
|
|
|
|
if (node->fcp2device) {
|
|
ocs_del_crn(node);
|
|
}
|
|
|
|
/* remove entry from sparse vector list */
|
|
if (sport->lookup == NULL) {
|
|
ocs_log_test(node->ocs, "assertion failed: sport lookup is NULL\n");
|
|
ocs_sport_unlock(sport);
|
|
return -1;
|
|
}
|
|
|
|
spv_set(sport->lookup, node->rnode.fc_id, NULL);
|
|
|
|
/*
|
|
* If the node_list is empty, then post a ALL_CHILD_NODES_FREE event to the sport,
|
|
* after the lock is released. The sport may be free'd as a result of the event.
|
|
*/
|
|
if (ocs_list_empty(&sport->node_list)) {
|
|
post_all_free = TRUE;
|
|
}
|
|
|
|
ocs_sport_unlock(sport);
|
|
|
|
if (post_all_free) {
|
|
ocs_sm_post_event(&sport->sm, OCS_EVT_ALL_CHILD_NODES_FREE, NULL);
|
|
}
|
|
|
|
node->sport = NULL;
|
|
node->sm.current_state = NULL;
|
|
|
|
ocs_node_lock_free(node);
|
|
ocs_lock_free(&node->pend_frames_lock);
|
|
ocs_lock_free(&node->active_ios_lock);
|
|
|
|
/* return to free list */
|
|
ocs_device_lock(ocs);
|
|
ocs_list_add_tail(&xport->nodes_free_list, node);
|
|
ocs_device_unlock(ocs);
|
|
|
|
if(ns != NULL) {
|
|
/* sending fake RSCN event to name server node */
|
|
ocs_node_post_event(ns, OCS_EVT_RSCN_RCVD, NULL);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* @brief free memory resources of a node object
|
|
*
|
|
* The node object's child objects are freed after which the
|
|
* node object is freed.
|
|
*
|
|
* @param node pointer to a node object
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_force_free(ocs_node_t *node)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_io_t *next;
|
|
ocs_io_t *els;
|
|
ocs_io_t *els_next;
|
|
|
|
/* shutdown sm processing */
|
|
ocs_sm_disable(&node->sm);
|
|
ocs_strncpy(node->prev_state_name, node->current_state_name, sizeof(node->prev_state_name));
|
|
ocs_strncpy(node->current_state_name, "disabled", sizeof(node->current_state_name));
|
|
|
|
/* Let the backend cleanup if needed */
|
|
ocs_scsi_notify_node_force_free(node);
|
|
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach_safe(&node->active_ios, io, next) {
|
|
ocs_list_remove(&io->node->active_ios, io);
|
|
ocs_io_free(node->ocs, io);
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
/* free all pending ELS IOs */
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach_safe(&node->els_io_pend_list, els, els_next) {
|
|
/* can't call ocs_els_io_free() because lock is held; cleanup manually */
|
|
ocs_list_remove(&node->els_io_pend_list, els);
|
|
|
|
ocs_io_free(node->ocs, els);
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
/* free all active ELS IOs */
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach_safe(&node->els_io_active_list, els, els_next) {
|
|
/* can't call ocs_els_io_free() because lock is held; cleanup manually */
|
|
ocs_list_remove(&node->els_io_active_list, els);
|
|
|
|
ocs_io_free(node->ocs, els);
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
/* manually purge pending frames (if any) */
|
|
ocs_node_purge_pending(node);
|
|
|
|
ocs_node_free(node);
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Perform HW call to attach a remote node
|
|
*
|
|
* @param node pointer to node object
|
|
*
|
|
* @return 0 on success, non-zero otherwise
|
|
*/
|
|
int32_t
|
|
ocs_node_attach(ocs_node_t *node)
|
|
{
|
|
int32_t rc = 0;
|
|
ocs_sport_t *sport = node->sport;
|
|
ocs_domain_t *domain = sport->domain;
|
|
ocs_t *ocs = node->ocs;
|
|
|
|
if (!domain->attached) {
|
|
ocs_log_test(ocs, "Warning: ocs_node_attach with unattached domain\n");
|
|
return -1;
|
|
}
|
|
/* Update node->wwpn/wwnn */
|
|
|
|
ocs_node_build_eui_name(node->wwpn, sizeof(node->wwpn), ocs_node_get_wwpn(node));
|
|
ocs_node_build_eui_name(node->wwnn, sizeof(node->wwnn), ocs_node_get_wwnn(node));
|
|
|
|
if (ocs->enable_hlm) {
|
|
ocs_node_group_init(node);
|
|
}
|
|
|
|
ocs_dma_copy_in(&node->sparm_dma_buf, node->service_params+4, sizeof(node->service_params)-4);
|
|
|
|
/* take lock to protect node->rnode.attached */
|
|
ocs_node_lock(node);
|
|
rc = ocs_hw_node_attach(&ocs->hw, &node->rnode, &node->sparm_dma_buf);
|
|
if (OCS_HW_RTN_IS_ERROR(rc)) {
|
|
ocs_log_test(ocs, "ocs_hw_node_attach failed: %d\n", rc);
|
|
}
|
|
ocs_node_unlock(node);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Generate text for a node's fc_id
|
|
*
|
|
* The text for a nodes fc_id is generated, either as a well known name, or a 6 digit
|
|
* hex value.
|
|
*
|
|
* @param fc_id fc_id
|
|
* @param buffer text buffer
|
|
* @param buffer_length text buffer length in bytes
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_fcid_display(uint32_t fc_id, char *buffer, uint32_t buffer_length)
|
|
{
|
|
switch (fc_id) {
|
|
case FC_ADDR_FABRIC:
|
|
ocs_snprintf(buffer, buffer_length, "fabric");
|
|
break;
|
|
case FC_ADDR_CONTROLLER:
|
|
ocs_snprintf(buffer, buffer_length, "fabctl");
|
|
break;
|
|
case FC_ADDR_NAMESERVER:
|
|
ocs_snprintf(buffer, buffer_length, "nserve");
|
|
break;
|
|
default:
|
|
if (FC_ADDR_IS_DOMAIN_CTRL(fc_id)) {
|
|
ocs_snprintf(buffer, buffer_length, "dctl%02x",
|
|
FC_ADDR_GET_DOMAIN_CTRL(fc_id));
|
|
} else {
|
|
ocs_snprintf(buffer, buffer_length, "%06x", fc_id);
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief update the node's display name
|
|
*
|
|
* The node's display name is updated, sometimes needed because the sport part
|
|
* is updated after the node is allocated.
|
|
*
|
|
* @param node pointer to the node object
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_update_display_name(ocs_node_t *node)
|
|
{
|
|
uint32_t port_id = node->rnode.fc_id;
|
|
ocs_sport_t *sport = node->sport;
|
|
char portid_display[16];
|
|
|
|
ocs_assert(sport);
|
|
|
|
ocs_node_fcid_display(port_id, portid_display, sizeof(portid_display));
|
|
|
|
ocs_snprintf(node->display_name, sizeof(node->display_name), "%s.%s", sport->display_name, portid_display);
|
|
}
|
|
|
|
/**
|
|
* @brief cleans up an XRI for the pending link services accept by aborting the
|
|
* XRI if required.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* This function is called when the LS accept is not sent.
|
|
*
|
|
* @param node Node for which should be cleaned up
|
|
*/
|
|
|
|
void
|
|
ocs_node_send_ls_io_cleanup(ocs_node_t *node)
|
|
{
|
|
ocs_t *ocs = node->ocs;
|
|
|
|
if (node->send_ls_acc != OCS_NODE_SEND_LS_ACC_NONE) {
|
|
ocs_assert(node->ls_acc_io);
|
|
ocs_log_debug(ocs, "[%s] cleaning up LS_ACC oxid=0x%x\n",
|
|
node->display_name, node->ls_acc_oxid);
|
|
|
|
node->ls_acc_io->hio = NULL;
|
|
ocs_els_io_free(node->ls_acc_io);
|
|
node->send_ls_acc = OCS_NODE_SEND_LS_ACC_NONE;
|
|
node->ls_acc_io = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief state: shutdown a node
|
|
*
|
|
* A node is shutdown,
|
|
*
|
|
* @param ctx remote node sm context
|
|
* @param evt event to process
|
|
* @param arg per event optional argument
|
|
*
|
|
* @return returns NULL
|
|
*
|
|
* @note
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
int32_t rc;
|
|
std_node_state_decl();
|
|
|
|
node_sm_trace();
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER: {
|
|
ocs_node_hold_frames(node);
|
|
ocs_assert(ocs_node_active_ios_empty(node), NULL);
|
|
ocs_assert(ocs_els_io_list_empty(node, &node->els_io_active_list), NULL);
|
|
|
|
/* by default, we will be freeing node after we unwind */
|
|
node->req_free = 1;
|
|
|
|
switch (node->shutdown_reason) {
|
|
case OCS_NODE_SHUTDOWN_IMPLICIT_LOGO:
|
|
/* sm: if shutdown reason is implicit logout / ocs_node_attach
|
|
* Node shutdown b/c of PLOGI received when node already
|
|
* logged in. We have PLOGI service parameters, so submit
|
|
* node attach; we won't be freeing this node
|
|
*/
|
|
|
|
/* currently, only case for implicit logo is PLOGI recvd. Thus,
|
|
* node's ELS IO pending list won't be empty (PLOGI will be on it)
|
|
*/
|
|
ocs_assert(node->send_ls_acc == OCS_NODE_SEND_LS_ACC_PLOGI, NULL);
|
|
node_printf(node, "Shutdown reason: implicit logout, re-authenticate\n");
|
|
|
|
ocs_scsi_io_alloc_enable(node);
|
|
|
|
/* Re-attach node with the same HW node resources */
|
|
node->req_free = 0;
|
|
rc = ocs_node_attach(node);
|
|
ocs_node_transition(node, __ocs_d_wait_node_attach, NULL);
|
|
if (rc == OCS_HW_RTN_SUCCESS_SYNC) {
|
|
ocs_node_post_event(node, OCS_EVT_NODE_ATTACH_OK, NULL);
|
|
}
|
|
break;
|
|
case OCS_NODE_SHUTDOWN_EXPLICIT_LOGO: {
|
|
int8_t pend_frames_empty;
|
|
|
|
/* cleanup any pending LS_ACC ELSs */
|
|
ocs_node_send_ls_io_cleanup(node);
|
|
ocs_assert(ocs_els_io_list_empty(node, &node->els_io_pend_list), NULL);
|
|
|
|
ocs_lock(&node->pend_frames_lock);
|
|
pend_frames_empty = ocs_list_empty(&node->pend_frames);
|
|
ocs_unlock(&node->pend_frames_lock);
|
|
|
|
/* there are two scenarios where we want to keep this node alive:
|
|
* 1. there are pending frames that need to be processed or
|
|
* 2. we're an initiator and the remote node is a target and we
|
|
* need to re-authenticate
|
|
*/
|
|
node_printf(node, "Shutdown: explicit logo pend=%d sport.ini=%d node.tgt=%d\n",
|
|
!pend_frames_empty, node->sport->enable_ini, node->targ);
|
|
|
|
if((!pend_frames_empty) || (node->sport->enable_ini && node->targ)) {
|
|
uint8_t send_plogi = FALSE;
|
|
if (node->sport->enable_ini && node->targ) {
|
|
/* we're an initiator and node shutting down is a target; we'll
|
|
* need to re-authenticate in initial state
|
|
*/
|
|
send_plogi = TRUE;
|
|
}
|
|
|
|
/* transition to __ocs_d_init (will retain HW node resources) */
|
|
ocs_scsi_io_alloc_enable(node);
|
|
node->req_free = 0;
|
|
|
|
/* either pending frames exist, or we're re-authenticating with PLOGI
|
|
* (or both); in either case, return to initial state
|
|
*/
|
|
ocs_node_init_device(node, send_plogi);
|
|
}
|
|
/* else: let node shutdown occur */
|
|
break;
|
|
}
|
|
case OCS_NODE_SHUTDOWN_DEFAULT:
|
|
default:
|
|
/* shutdown due to link down, node going away (xport event) or
|
|
* sport shutdown, purge pending and proceed to cleanup node
|
|
*/
|
|
|
|
/* cleanup any pending LS_ACC ELSs */
|
|
ocs_node_send_ls_io_cleanup(node);
|
|
ocs_assert(ocs_els_io_list_empty(node, &node->els_io_pend_list), NULL);
|
|
|
|
node_printf(node, "Shutdown reason: default, purge pending\n");
|
|
ocs_node_purge_pending(node);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case OCS_EVT_EXIT:
|
|
ocs_node_accept_frames(node);
|
|
break;
|
|
|
|
default:
|
|
__ocs_node_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup common_node
|
|
* @brief Checks to see if ELS's have been quiesced
|
|
*
|
|
* Check if ELS's have been quiesced. If so, transition to the
|
|
* next state in the shutdown process.
|
|
*
|
|
* @param node Node for which ELS's are checked
|
|
*
|
|
* @return Returns 1 if ELS's have been quiesced, 0 otherwise.
|
|
*/
|
|
static int
|
|
ocs_node_check_els_quiesced(ocs_node_t *node)
|
|
{
|
|
ocs_assert(node, -1);
|
|
|
|
/* check to see if ELS requests, completions are quiesced */
|
|
if ((node->els_req_cnt == 0) && (node->els_cmpl_cnt == 0) &&
|
|
ocs_els_io_list_empty(node, &node->els_io_active_list)) {
|
|
if (!node->attached) {
|
|
/* hw node detach already completed, proceed */
|
|
node_printf(node, "HW node not attached\n");
|
|
ocs_node_transition(node, __ocs_node_wait_ios_shutdown, NULL);
|
|
} else {
|
|
/* hw node detach hasn't completed, transition and wait */
|
|
node_printf(node, "HW node still attached\n");
|
|
ocs_node_transition(node, __ocs_node_wait_node_free, NULL);
|
|
}
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup common_node
|
|
* @brief Initiate node IO cleanup.
|
|
*
|
|
* Note: this function must be called with a non-attached node
|
|
* or a node for which the node detach (ocs_hw_node_detach())
|
|
* has already been initiated.
|
|
*
|
|
* @param node Node for which shutdown is initiated
|
|
*
|
|
* @return Returns None.
|
|
*/
|
|
|
|
void
|
|
ocs_node_initiate_cleanup(ocs_node_t *node)
|
|
{
|
|
ocs_io_t *els;
|
|
ocs_io_t *els_next;
|
|
ocs_t *ocs;
|
|
ocs_assert(node);
|
|
ocs = node->ocs;
|
|
|
|
/* first cleanup ELS's that are pending (not yet active) */
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach_safe(&node->els_io_pend_list, els, els_next) {
|
|
/* skip the ELS IO for which a response will be sent after shutdown */
|
|
if ((node->send_ls_acc != OCS_NODE_SEND_LS_ACC_NONE) &&
|
|
(els == node->ls_acc_io)) {
|
|
continue;
|
|
}
|
|
/* can't call ocs_els_io_free() because lock is held; cleanup manually */
|
|
node_printf(node, "Freeing pending els %s\n", els->display_name);
|
|
ocs_list_remove(&node->els_io_pend_list, els);
|
|
|
|
ocs_io_free(node->ocs, els);
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
if (node->ls_acc_io && node->ls_acc_io->hio != NULL) {
|
|
/*
|
|
* if there's an IO that will result in an LS_ACC after
|
|
* shutdown and its HW IO is non-NULL, it better be an
|
|
* implicit logout in vanilla sequence coalescing. In this
|
|
* case, force the LS_ACC to go out on another XRI (hio)
|
|
* since the previous will have been aborted by the UNREG_RPI
|
|
*/
|
|
ocs_assert(node->shutdown_reason == OCS_NODE_SHUTDOWN_IMPLICIT_LOGO);
|
|
ocs_assert(node->send_ls_acc == OCS_NODE_SEND_LS_ACC_PLOGI);
|
|
node_printf(node, "invalidating ls_acc_io due to implicit logo\n");
|
|
|
|
/* No need to abort because the unreg_rpi takes care of it, just free */
|
|
ocs_hw_io_free(&ocs->hw, node->ls_acc_io->hio);
|
|
|
|
/* NULL out hio to force the LS_ACC to grab a new XRI */
|
|
node->ls_acc_io->hio = NULL;
|
|
}
|
|
|
|
/*
|
|
* if ELS's have already been quiesced, will move to next state
|
|
* if ELS's have not been quiesced, abort them
|
|
*/
|
|
if (ocs_node_check_els_quiesced(node) == 0) {
|
|
/*
|
|
* Abort all ELS's since ELS's won't be aborted by HW
|
|
* node free.
|
|
*/
|
|
ocs_node_abort_all_els(node);
|
|
ocs_node_transition(node, __ocs_node_wait_els_shutdown, NULL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Node state machine: Wait for all ELSs to complete.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* State waits for all ELSs to complete after aborting all
|
|
* outstanding .
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_wait_els_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
uint8_t check_quiesce = FALSE;
|
|
std_node_state_decl();
|
|
|
|
node_sm_trace();
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER: {
|
|
ocs_node_hold_frames(node);
|
|
if (ocs_els_io_list_empty(node, &node->els_io_active_list)) {
|
|
node_printf(node, "All ELS IOs complete\n");
|
|
check_quiesce = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
case OCS_EVT_EXIT:
|
|
ocs_node_accept_frames(node);
|
|
break;
|
|
|
|
case OCS_EVT_SRRS_ELS_REQ_OK:
|
|
case OCS_EVT_SRRS_ELS_REQ_FAIL:
|
|
case OCS_EVT_SRRS_ELS_REQ_RJT:
|
|
case OCS_EVT_ELS_REQ_ABORTED:
|
|
ocs_assert(node->els_req_cnt, NULL);
|
|
node->els_req_cnt--;
|
|
check_quiesce = TRUE;
|
|
break;
|
|
|
|
case OCS_EVT_SRRS_ELS_CMPL_OK:
|
|
case OCS_EVT_SRRS_ELS_CMPL_FAIL:
|
|
ocs_assert(node->els_cmpl_cnt, NULL);
|
|
node->els_cmpl_cnt--;
|
|
check_quiesce = TRUE;
|
|
break;
|
|
|
|
case OCS_EVT_ALL_CHILD_NODES_FREE:
|
|
/* all ELS IO's complete */
|
|
node_printf(node, "All ELS IOs complete\n");
|
|
ocs_assert(ocs_els_io_list_empty(node, &node->els_io_active_list), NULL);
|
|
check_quiesce = TRUE;
|
|
break;
|
|
|
|
case OCS_EVT_NODE_ACTIVE_IO_LIST_EMPTY:
|
|
break;
|
|
|
|
case OCS_EVT_DOMAIN_ATTACH_OK:
|
|
/* don't care about domain_attach_ok */
|
|
break;
|
|
|
|
/* ignore shutdown events as we're already in shutdown path */
|
|
case OCS_EVT_SHUTDOWN:
|
|
/* have default shutdown event take precedence */
|
|
node->shutdown_reason = OCS_NODE_SHUTDOWN_DEFAULT;
|
|
/* fall through */
|
|
case OCS_EVT_SHUTDOWN_EXPLICIT_LOGO:
|
|
case OCS_EVT_SHUTDOWN_IMPLICIT_LOGO:
|
|
node_printf(node, "%s received\n", ocs_sm_event_name(evt));
|
|
break;
|
|
|
|
default:
|
|
__ocs_node_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
|
|
if (check_quiesce) {
|
|
ocs_node_check_els_quiesced(node);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_command
|
|
* @brief Node state machine: Wait for a HW node free event to
|
|
* complete.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* State waits for the node free event to be received from the HW.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_wait_node_free(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_node_state_decl();
|
|
|
|
node_sm_trace();
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER:
|
|
ocs_node_hold_frames(node);
|
|
break;
|
|
|
|
case OCS_EVT_EXIT:
|
|
ocs_node_accept_frames(node);
|
|
break;
|
|
|
|
case OCS_EVT_NODE_FREE_OK:
|
|
/* node is officially no longer attached */
|
|
node->attached = FALSE;
|
|
ocs_node_transition(node, __ocs_node_wait_ios_shutdown, NULL);
|
|
break;
|
|
|
|
case OCS_EVT_ALL_CHILD_NODES_FREE:
|
|
case OCS_EVT_NODE_ACTIVE_IO_LIST_EMPTY:
|
|
/* As IOs and ELS IO's complete we expect to get these events */
|
|
break;
|
|
|
|
case OCS_EVT_DOMAIN_ATTACH_OK:
|
|
/* don't care about domain_attach_ok */
|
|
break;
|
|
|
|
/* ignore shutdown events as we're already in shutdown path */
|
|
case OCS_EVT_SHUTDOWN:
|
|
/* have default shutdown event take precedence */
|
|
node->shutdown_reason = OCS_NODE_SHUTDOWN_DEFAULT;
|
|
/* Fall through */
|
|
case OCS_EVT_SHUTDOWN_EXPLICIT_LOGO:
|
|
case OCS_EVT_SHUTDOWN_IMPLICIT_LOGO:
|
|
node_printf(node, "%s received\n", ocs_sm_event_name(evt));
|
|
break;
|
|
default:
|
|
__ocs_node_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief state: initiate node shutdown
|
|
*
|
|
* State is entered when a node receives a shutdown event, and it's waiting
|
|
* for all the active IOs and ELS IOs associated with the node to complete.
|
|
*
|
|
* @param ctx remote node sm context
|
|
* @param evt event to process
|
|
* @param arg per event optional argument
|
|
*
|
|
* @return returns NULL
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_wait_ios_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_io_t *next;
|
|
std_node_state_decl();
|
|
|
|
node_sm_trace();
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER:
|
|
ocs_node_hold_frames(node);
|
|
|
|
/* first check to see if no ELS IOs are outstanding */
|
|
if (ocs_els_io_list_empty(node, &node->els_io_active_list)) {
|
|
/* If there are any active IOS, Free them. */
|
|
if (!ocs_node_active_ios_empty(node)) {
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach_safe(&node->active_ios, io, next) {
|
|
ocs_list_remove(&io->node->active_ios, io);
|
|
ocs_io_free(node->ocs, io);
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
}
|
|
ocs_node_transition(node, __ocs_node_shutdown, NULL);
|
|
}
|
|
break;
|
|
|
|
case OCS_EVT_NODE_ACTIVE_IO_LIST_EMPTY:
|
|
case OCS_EVT_ALL_CHILD_NODES_FREE: {
|
|
if (ocs_node_active_ios_empty(node) &&
|
|
ocs_els_io_list_empty(node, &node->els_io_active_list)) {
|
|
ocs_node_transition(node, __ocs_node_shutdown, NULL);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case OCS_EVT_EXIT:
|
|
ocs_node_accept_frames(node);
|
|
break;
|
|
|
|
case OCS_EVT_SRRS_ELS_REQ_FAIL:
|
|
/* Can happen as ELS IO IO's complete */
|
|
ocs_assert(node->els_req_cnt, NULL);
|
|
node->els_req_cnt--;
|
|
break;
|
|
|
|
/* ignore shutdown events as we're already in shutdown path */
|
|
case OCS_EVT_SHUTDOWN:
|
|
/* have default shutdown event take precedence */
|
|
node->shutdown_reason = OCS_NODE_SHUTDOWN_DEFAULT;
|
|
/* fall through */
|
|
case OCS_EVT_SHUTDOWN_EXPLICIT_LOGO:
|
|
case OCS_EVT_SHUTDOWN_IMPLICIT_LOGO:
|
|
ocs_log_debug(ocs, "[%s] %-20s\n", node->display_name, ocs_sm_event_name(evt));
|
|
break;
|
|
case OCS_EVT_DOMAIN_ATTACH_OK:
|
|
/* don't care about domain_attach_ok */
|
|
break;
|
|
default:
|
|
__ocs_node_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief state: common node event handler
|
|
*
|
|
* Handle common/shared node events
|
|
*
|
|
* @param funcname calling function's name
|
|
* @param ctx remote node sm context
|
|
* @param evt event to process
|
|
* @param arg per event optional argument
|
|
*
|
|
* @return returns NULL
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_common(const char *funcname, ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
ocs_node_t *node = NULL;
|
|
ocs_t *ocs = NULL;
|
|
ocs_node_cb_t *cbdata = arg;
|
|
ocs_assert(ctx, NULL);
|
|
ocs_assert(ctx->app, NULL);
|
|
node = ctx->app;
|
|
ocs_assert(node->ocs, NULL);
|
|
ocs = node->ocs;
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER:
|
|
case OCS_EVT_REENTER:
|
|
case OCS_EVT_EXIT:
|
|
case OCS_EVT_SPORT_TOPOLOGY_NOTIFY:
|
|
case OCS_EVT_NODE_MISSING:
|
|
case OCS_EVT_FCP_CMD_RCVD:
|
|
break;
|
|
|
|
case OCS_EVT_NODE_REFOUND:
|
|
node->refound = 1;
|
|
break;
|
|
|
|
/* node->attached must be set appropriately for all node attach/detach events */
|
|
case OCS_EVT_NODE_ATTACH_OK:
|
|
node->attached = TRUE;
|
|
break;
|
|
|
|
case OCS_EVT_NODE_FREE_OK:
|
|
case OCS_EVT_NODE_ATTACH_FAIL:
|
|
node->attached = FALSE;
|
|
break;
|
|
|
|
/* handle any ELS completions that other states either didn't care about
|
|
* or forgot about
|
|
*/
|
|
case OCS_EVT_SRRS_ELS_CMPL_OK:
|
|
case OCS_EVT_SRRS_ELS_CMPL_FAIL:
|
|
ocs_assert(node->els_cmpl_cnt, NULL);
|
|
node->els_cmpl_cnt--;
|
|
break;
|
|
|
|
/* handle any ELS request completions that other states either didn't care about
|
|
* or forgot about
|
|
*/
|
|
case OCS_EVT_SRRS_ELS_REQ_OK:
|
|
case OCS_EVT_SRRS_ELS_REQ_FAIL:
|
|
case OCS_EVT_SRRS_ELS_REQ_RJT:
|
|
case OCS_EVT_ELS_REQ_ABORTED:
|
|
ocs_assert(node->els_req_cnt, NULL);
|
|
node->els_req_cnt--;
|
|
break;
|
|
|
|
case OCS_EVT_ELS_RCVD: {
|
|
fc_header_t *hdr = cbdata->header->dma.virt;
|
|
|
|
/* Unsupported ELS was received, send LS_RJT, command not supported */
|
|
ocs_log_debug(ocs, "[%s] (%s) ELS x%02x, LS_RJT not supported\n",
|
|
node->display_name, funcname, ((uint8_t*)cbdata->payload->dma.virt)[0]);
|
|
ocs_send_ls_rjt(cbdata->io, ocs_be16toh(hdr->ox_id),
|
|
FC_REASON_COMMAND_NOT_SUPPORTED, FC_EXPL_NO_ADDITIONAL, 0,
|
|
NULL, NULL);
|
|
break;
|
|
}
|
|
|
|
case OCS_EVT_PLOGI_RCVD:
|
|
case OCS_EVT_FLOGI_RCVD:
|
|
case OCS_EVT_LOGO_RCVD:
|
|
case OCS_EVT_PRLI_RCVD:
|
|
case OCS_EVT_PRLO_RCVD:
|
|
case OCS_EVT_PDISC_RCVD:
|
|
case OCS_EVT_FDISC_RCVD:
|
|
case OCS_EVT_ADISC_RCVD:
|
|
case OCS_EVT_RSCN_RCVD:
|
|
case OCS_EVT_SCR_RCVD: {
|
|
fc_header_t *hdr = cbdata->header->dma.virt;
|
|
/* sm: / send ELS_RJT */
|
|
ocs_log_debug(ocs, "[%s] (%s) %s sending ELS_RJT\n",
|
|
node->display_name, funcname, ocs_sm_event_name(evt));
|
|
/* if we didn't catch this in a state, send generic LS_RJT */
|
|
ocs_send_ls_rjt(cbdata->io, ocs_be16toh(hdr->ox_id),
|
|
FC_REASON_UNABLE_TO_PERFORM, FC_EXPL_NO_ADDITIONAL, 0,
|
|
NULL, NULL);
|
|
|
|
break;
|
|
}
|
|
case OCS_EVT_GID_PT_RCVD:
|
|
case OCS_EVT_RFT_ID_RCVD:
|
|
case OCS_EVT_RFF_ID_RCVD: {
|
|
fc_header_t *hdr = cbdata->header->dma.virt;
|
|
ocs_log_debug(ocs, "[%s] (%s) %s sending CT_REJECT\n",
|
|
node->display_name, funcname, ocs_sm_event_name(evt));
|
|
ocs_send_ct_rsp(cbdata->io, hdr->ox_id, cbdata->payload->dma.virt, FCCT_HDR_CMDRSP_REJECT, FCCT_COMMAND_NOT_SUPPORTED, 0);
|
|
break;
|
|
}
|
|
|
|
case OCS_EVT_ABTS_RCVD: {
|
|
fc_header_t *hdr = cbdata->header->dma.virt;
|
|
ocs_log_debug(ocs, "[%s] (%s) %s sending BA_ACC\n",
|
|
node->display_name, funcname, ocs_sm_event_name(evt));
|
|
|
|
/* sm: send BA_ACC */
|
|
ocs_bls_send_acc_hdr(cbdata->io, hdr);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ocs_log_test(node->ocs, "[%s] %-20s %-20s not handled\n", node->display_name, funcname,
|
|
ocs_sm_event_name(evt));
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief save node service parameters
|
|
*
|
|
* Service parameters are copyed into the node structure
|
|
*
|
|
* @param node pointer to node structure
|
|
* @param payload pointer to service parameters to save
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_save_sparms(ocs_node_t *node, void *payload)
|
|
{
|
|
ocs_memcpy(node->service_params, payload, sizeof(node->service_params));
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Post event to node state machine context
|
|
*
|
|
* This is used by the node state machine code to post events to the nodes. Upon
|
|
* completion of the event posting, if the nesting depth is zero and we're not holding
|
|
* inbound frames, then the pending frames are processed.
|
|
*
|
|
* @param node pointer to node
|
|
* @param evt event to post
|
|
* @param arg event posting argument
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_post_event(ocs_node_t *node, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
int free_node = FALSE;
|
|
ocs_assert(node);
|
|
|
|
ocs_node_lock(node);
|
|
node->evtdepth ++;
|
|
|
|
ocs_sm_post_event(&node->sm, evt, arg);
|
|
|
|
/* If our event call depth is one and we're not holding frames
|
|
* then we can dispatch any pending frames. We don't want to allow
|
|
* the ocs_process_node_pending() call to recurse.
|
|
*/
|
|
if (!node->hold_frames && (node->evtdepth == 1)) {
|
|
ocs_process_node_pending(node);
|
|
}
|
|
node->evtdepth --;
|
|
|
|
/* Free the node object if so requested, and we're at an event
|
|
* call depth of zero
|
|
*/
|
|
if ((node->evtdepth == 0) && node->req_free) {
|
|
free_node = TRUE;
|
|
}
|
|
ocs_node_unlock(node);
|
|
|
|
if (free_node) {
|
|
ocs_node_free(node);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief transition state of a node
|
|
*
|
|
* The node's state is transitioned to the requested state. Entry/Exit
|
|
* events are posted as needed.
|
|
*
|
|
* @param node pointer to node
|
|
* @param state state to transition to
|
|
* @param data transition data
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_transition(ocs_node_t *node, ocs_sm_function_t state, void *data)
|
|
{
|
|
ocs_sm_ctx_t *ctx = &node->sm;
|
|
|
|
ocs_node_lock(node);
|
|
if (ctx->current_state == state) {
|
|
ocs_node_post_event(node, OCS_EVT_REENTER, data);
|
|
} else {
|
|
ocs_node_post_event(node, OCS_EVT_EXIT, data);
|
|
ctx->current_state = state;
|
|
ocs_node_post_event(node, OCS_EVT_ENTER, data);
|
|
}
|
|
ocs_node_unlock(node);
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief build EUI formatted WWN
|
|
*
|
|
* Build a WWN given the somewhat transport agnostic iScsi naming specification, for FC
|
|
* use the eui. format, an ascii string such as: "eui.10000000C9A19501"
|
|
*
|
|
* @param buffer buffer to place formatted name into
|
|
* @param buffer_len length in bytes of the buffer
|
|
* @param eui_name cpu endian 64 bit WWN value
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_build_eui_name(char *buffer, uint32_t buffer_len, uint64_t eui_name)
|
|
{
|
|
ocs_memset(buffer, 0, buffer_len);
|
|
|
|
ocs_snprintf(buffer, buffer_len, "eui.%016llx", (unsigned long long)eui_name);
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief return nodes' WWPN as a uint64_t
|
|
*
|
|
* The WWPN is computed from service parameters and returned as a uint64_t
|
|
*
|
|
* @param node pointer to node structure
|
|
*
|
|
* @return WWPN
|
|
*
|
|
*/
|
|
|
|
uint64_t
|
|
ocs_node_get_wwpn(ocs_node_t *node)
|
|
{
|
|
fc_plogi_payload_t *sp = (fc_plogi_payload_t*) node->service_params;
|
|
|
|
return (((uint64_t)ocs_be32toh(sp->port_name_hi) << 32ll) | (ocs_be32toh(sp->port_name_lo)));
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief return nodes' WWNN as a uint64_t
|
|
*
|
|
* The WWNN is computed from service parameters and returned as a uint64_t
|
|
*
|
|
* @param node pointer to node structure
|
|
*
|
|
* @return WWNN
|
|
*
|
|
*/
|
|
|
|
uint64_t
|
|
ocs_node_get_wwnn(ocs_node_t *node)
|
|
{
|
|
fc_plogi_payload_t *sp = (fc_plogi_payload_t*) node->service_params;
|
|
|
|
return (((uint64_t)ocs_be32toh(sp->node_name_hi) << 32ll) | (ocs_be32toh(sp->node_name_lo)));
|
|
}
|
|
|
|
/**
|
|
* @brief Generate node ddump data
|
|
*
|
|
* Generates the node ddumpdata
|
|
*
|
|
* @param textbuf pointer to text buffer
|
|
* @param node pointer to node context
|
|
*
|
|
* @return Returns 0 on success, or a negative value on failure.
|
|
*/
|
|
|
|
int
|
|
ocs_ddump_node(ocs_textbuf_t *textbuf, ocs_node_t *node)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_io_t *els;
|
|
int retval = 0;
|
|
|
|
ocs_ddump_section(textbuf, "node", node->instance_index);
|
|
ocs_ddump_value(textbuf, "display_name", "%s", node->display_name);
|
|
ocs_ddump_value(textbuf, "current_state", "%s", node->current_state_name);
|
|
ocs_ddump_value(textbuf, "prev_state", "%s", node->prev_state_name);
|
|
ocs_ddump_value(textbuf, "current_evt", "%s", ocs_sm_event_name(node->current_evt));
|
|
ocs_ddump_value(textbuf, "prev_evt", "%s", ocs_sm_event_name(node->prev_evt));
|
|
|
|
ocs_ddump_value(textbuf, "indicator", "%#x", node->rnode.indicator);
|
|
ocs_ddump_value(textbuf, "fc_id", "%#06x", node->rnode.fc_id);
|
|
ocs_ddump_value(textbuf, "attached", "%d", node->rnode.attached);
|
|
|
|
ocs_ddump_value(textbuf, "hold_frames", "%d", node->hold_frames);
|
|
ocs_ddump_value(textbuf, "io_alloc_enabled", "%d", node->io_alloc_enabled);
|
|
ocs_ddump_value(textbuf, "shutdown_reason", "%d", node->shutdown_reason);
|
|
ocs_ddump_value(textbuf, "send_ls_acc", "%d", node->send_ls_acc);
|
|
ocs_ddump_value(textbuf, "ls_acc_did", "%d", node->ls_acc_did);
|
|
ocs_ddump_value(textbuf, "ls_acc_oxid", "%#04x", node->ls_acc_oxid);
|
|
ocs_ddump_value(textbuf, "req_free", "%d", node->req_free);
|
|
ocs_ddump_value(textbuf, "els_req_cnt", "%d", node->els_req_cnt);
|
|
ocs_ddump_value(textbuf, "els_cmpl_cnt", "%d", node->els_cmpl_cnt);
|
|
|
|
ocs_ddump_value(textbuf, "targ", "%d", node->targ);
|
|
ocs_ddump_value(textbuf, "init", "%d", node->init);
|
|
ocs_ddump_value(textbuf, "wwnn", "%s", node->wwnn);
|
|
ocs_ddump_value(textbuf, "wwpn", "%s", node->wwpn);
|
|
ocs_ddump_value(textbuf, "login_state", "%d", (node->sm.current_state == __ocs_d_device_ready) ? 1 : 0);
|
|
ocs_ddump_value(textbuf, "chained_io_count", "%d", node->chained_io_count);
|
|
ocs_ddump_value(textbuf, "abort_cnt", "%d", node->abort_cnt);
|
|
|
|
ocs_display_sparams(NULL, "node_sparams", 1, textbuf, node->service_params+4);
|
|
|
|
ocs_lock(&node->pend_frames_lock);
|
|
if (!ocs_list_empty(&node->pend_frames)) {
|
|
ocs_hw_sequence_t *frame;
|
|
ocs_ddump_section(textbuf, "pending_frames", 0);
|
|
ocs_list_foreach(&node->pend_frames, frame) {
|
|
fc_header_t *hdr;
|
|
char buf[128];
|
|
|
|
hdr = frame->header->dma.virt;
|
|
ocs_snprintf(buf, sizeof(buf), "%02x/%04x/%04x len %zu",
|
|
hdr->r_ctl, ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id),
|
|
frame->payload->dma.len);
|
|
ocs_ddump_value(textbuf, "frame", "%s", buf);
|
|
}
|
|
ocs_ddump_endsection(textbuf, "pending_frames", 0);
|
|
}
|
|
ocs_unlock(&node->pend_frames_lock);
|
|
|
|
ocs_scsi_ini_ddump(textbuf, OCS_SCSI_DDUMP_NODE, node);
|
|
ocs_scsi_tgt_ddump(textbuf, OCS_SCSI_DDUMP_NODE, node);
|
|
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_ddump_section(textbuf, "active_ios", 0);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
ocs_ddump_io(textbuf, io);
|
|
}
|
|
ocs_ddump_endsection(textbuf, "active_ios", 0);
|
|
|
|
ocs_ddump_section(textbuf, "els_io_pend_list", 0);
|
|
ocs_list_foreach(&node->els_io_pend_list, els) {
|
|
ocs_ddump_els(textbuf, els);
|
|
}
|
|
ocs_ddump_endsection(textbuf, "els_io_pend_list", 0);
|
|
|
|
ocs_ddump_section(textbuf, "els_io_active_list", 0);
|
|
ocs_list_foreach(&node->els_io_active_list, els) {
|
|
ocs_ddump_els(textbuf, els);
|
|
}
|
|
ocs_ddump_endsection(textbuf, "els_io_active_list", 0);
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
ocs_ddump_endsection(textbuf, "node", node->instance_index);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* @brief check ELS request completion
|
|
*
|
|
* Check ELS request completion event to make sure it's for the
|
|
* ELS request we expect. If not, invoke given common event
|
|
* handler and return an error.
|
|
*
|
|
* @param ctx state machine context
|
|
* @param evt ELS request event
|
|
* @param arg event argument
|
|
* @param cmd ELS command expected
|
|
* @param node_common_func common event handler to call if ELS
|
|
* doesn't match
|
|
* @param funcname function name that called this
|
|
*
|
|
* @return zero if ELS command matches, -1 otherwise
|
|
*/
|
|
int32_t
|
|
node_check_els_req(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg, uint8_t cmd, ocs_node_common_func_t node_common_func, const char *funcname)
|
|
{
|
|
ocs_node_t *node = NULL;
|
|
ocs_t *ocs = NULL;
|
|
ocs_node_cb_t *cbdata = arg;
|
|
fc_els_gen_t *els_gen = NULL;
|
|
ocs_assert(ctx, -1);
|
|
node = ctx->app;
|
|
ocs_assert(node, -1);
|
|
ocs = node->ocs;
|
|
ocs_assert(ocs, -1);
|
|
cbdata = arg;
|
|
ocs_assert(cbdata, -1);
|
|
ocs_assert(cbdata->els, -1);
|
|
els_gen = (fc_els_gen_t *)cbdata->els->els_req.virt;
|
|
ocs_assert(els_gen, -1);
|
|
|
|
if ((cbdata->els->hio_type != OCS_HW_ELS_REQ) || (els_gen->command_code != cmd)) {
|
|
if (cbdata->els->hio_type != OCS_HW_ELS_REQ) {
|
|
ocs_log_debug(node->ocs, "[%s] %-20s expecting ELS cmd=x%x received type=%d\n",
|
|
node->display_name, funcname, cmd, cbdata->els->hio_type);
|
|
} else {
|
|
ocs_log_debug(node->ocs, "[%s] %-20s expecting ELS cmd=x%x received cmd=x%x\n",
|
|
node->display_name, funcname, cmd, els_gen->command_code);
|
|
}
|
|
/* send event to common handler */
|
|
node_common_func(funcname, ctx, evt, arg);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @brief check NS request completion
|
|
*
|
|
* Check ELS request completion event to make sure it's for the
|
|
* nameserver request we expect. If not, invoke given common
|
|
* event handler and return an error.
|
|
*
|
|
* @param ctx state machine context
|
|
* @param evt ELS request event
|
|
* @param arg event argument
|
|
* @param cmd nameserver command expected
|
|
* @param node_common_func common event handler to call if
|
|
* nameserver cmd doesn't match
|
|
* @param funcname function name that called this
|
|
*
|
|
* @return zero if NS command matches, -1 otherwise
|
|
*/
|
|
int32_t
|
|
node_check_ns_req(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg, uint32_t cmd, ocs_node_common_func_t node_common_func, const char *funcname)
|
|
{
|
|
ocs_node_t *node = NULL;
|
|
ocs_t *ocs = NULL;
|
|
ocs_node_cb_t *cbdata = arg;
|
|
fcct_iu_header_t *fcct = NULL;
|
|
ocs_assert(ctx, -1);
|
|
node = ctx->app;
|
|
ocs_assert(node, -1);
|
|
ocs = node->ocs;
|
|
ocs_assert(ocs, -1);
|
|
cbdata = arg;
|
|
ocs_assert(cbdata, -1);
|
|
ocs_assert(cbdata->els, -1);
|
|
fcct = (fcct_iu_header_t *)cbdata->els->els_req.virt;
|
|
ocs_assert(fcct, -1);
|
|
|
|
if ((cbdata->els->hio_type != OCS_HW_FC_CT) || fcct->cmd_rsp_code != ocs_htobe16(cmd)) {
|
|
if (cbdata->els->hio_type != OCS_HW_FC_CT) {
|
|
ocs_log_debug(node->ocs, "[%s] %-20s expecting NS cmd=x%x received type=%d\n",
|
|
node->display_name, funcname, cmd, cbdata->els->hio_type);
|
|
} else {
|
|
ocs_log_debug(node->ocs, "[%s] %-20s expecting NS cmd=x%x received cmd=x%x\n",
|
|
node->display_name, funcname, cmd, fcct->cmd_rsp_code);
|
|
}
|
|
/* send event to common handler */
|
|
node_common_func(funcname, ctx, evt, arg);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ocs_mgmt_node_list(ocs_textbuf_t *textbuf, void *object)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_node_t *node = (ocs_node_t *)object;
|
|
|
|
ocs_mgmt_start_section(textbuf, "node", node->instance_index);
|
|
|
|
/* Readonly values */
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "display_name");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "indicator");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "fc_id");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "attached");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "hold_frames");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "shutting_down");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "req_free");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "ox_id");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "ox_id_in_use");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "abort_cnt");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "targ");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "init");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "wwpn");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "wwnn");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "pend_frames");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "chained_io_count");
|
|
|
|
/* Actions */
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_EX, "resume");
|
|
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
if ((io->mgmt_functions) && (io->mgmt_functions->get_list_handler)) {
|
|
io->mgmt_functions->get_list_handler(textbuf, io);
|
|
}
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
ocs_mgmt_end_section(textbuf, "node", node->instance_index);
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_node_get(ocs_textbuf_t *textbuf, char *parent, char *name, void *object)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_node_t *node = (ocs_node_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
ocs_mgmt_start_section(textbuf, "node", node->instance_index);
|
|
|
|
ocs_snprintf(qualifier, sizeof(qualifier), "%s/node[%d]", parent, node->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(name, qualifier, strlen(qualifier)) == 0) {
|
|
char *unqualified_name = name + strlen(qualifier) +1;
|
|
|
|
/* See if it's a value I can supply */
|
|
if (ocs_strcmp(unqualified_name, "display_name") == 0) {
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "display_name", node->display_name);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "indicator") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "indicator", "0x%x", node->rnode.indicator);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "fc_id") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "fc_id", "0x%06x", node->rnode.fc_id);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "attached") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "attached", node->rnode.attached);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "hold_frames") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "hold_frames", node->hold_frames);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "io_alloc_enabled") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "io_alloc_enabled", node->io_alloc_enabled);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "req_free") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "req_free", node->req_free);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "ls_acc_oxid") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "ls_acc_oxid", "0x%#04x", node->ls_acc_oxid);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "ls_acc_did") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "ls_acc_did", "0x%#04x", node->ls_acc_did);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "abort_cnt") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "abort_cnt", "%d", node->abort_cnt);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "targ") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "targ", node->targ);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "init") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "init", node->init);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "wwpn") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwpn", "%s", node->wwpn);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "wwnn") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwnn", "%s", node->wwnn);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "current_state") == 0) {
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "current_state", node->current_state_name);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "login_state") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "login_state", "%d", (node->sm.current_state == __ocs_d_device_ready) ? 1 : 0);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "pend_frames") == 0) {
|
|
ocs_hw_sequence_t *frame;
|
|
ocs_lock(&node->pend_frames_lock);
|
|
ocs_list_foreach(&node->pend_frames, frame) {
|
|
fc_header_t *hdr;
|
|
char buf[128];
|
|
|
|
hdr = frame->header->dma.virt;
|
|
ocs_snprintf(buf, sizeof(buf), "%02x/%04x/%04x len %zu", hdr->r_ctl,
|
|
ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id),
|
|
frame->payload->dma.len);
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "pend_frames", buf);
|
|
}
|
|
ocs_unlock(&node->pend_frames_lock);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "chained_io_count") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "chained_io_count", "%d", node->chained_io_count);
|
|
retval = 0;
|
|
} else {
|
|
/* If I didn't know the value of this status pass the request to each of my children */
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
if ((io->mgmt_functions) && (io->mgmt_functions->get_handler)) {
|
|
retval = io->mgmt_functions->get_handler(textbuf, qualifier, name, io);
|
|
}
|
|
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
}
|
|
}
|
|
|
|
ocs_mgmt_end_section(textbuf, "node", node->instance_index);
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
ocs_mgmt_node_get_all(ocs_textbuf_t *textbuf, void *object)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_node_t *node = (ocs_node_t *)object;
|
|
ocs_hw_sequence_t *frame;
|
|
|
|
ocs_mgmt_start_section(textbuf, "node", node->instance_index);
|
|
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "display_name", node->display_name);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "indicator", "0x%x", node->rnode.indicator);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "fc_id", "0x%06x", node->rnode.fc_id);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "attached", node->rnode.attached);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "hold_frames", node->hold_frames);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "io_alloc_enabled", node->io_alloc_enabled);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "req_free", node->req_free);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "ls_acc_oxid", "0x%#04x", node->ls_acc_oxid);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "ls_acc_did", "0x%#04x", node->ls_acc_did);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "abort_cnt", "%d", node->abort_cnt);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "targ", node->targ);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "init", node->init);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwpn", "%s", node->wwpn);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwnn", "%s", node->wwnn);
|
|
|
|
ocs_lock(&node->pend_frames_lock);
|
|
ocs_list_foreach(&node->pend_frames, frame) {
|
|
fc_header_t *hdr;
|
|
char buf[128];
|
|
|
|
hdr = frame->header->dma.virt;
|
|
ocs_snprintf(buf, sizeof(buf), "%02x/%04x/%04x len %zu", hdr->r_ctl,
|
|
ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id),
|
|
frame->payload->dma.len);
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "pend_frames", buf);
|
|
}
|
|
ocs_unlock(&node->pend_frames_lock);
|
|
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "chained_io_count", "%d", node->chained_io_count);
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_EX, "resume");
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "current_state", node->current_state_name);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "login_state", "%d", (node->sm.current_state == __ocs_d_device_ready) ? 1 : 0);
|
|
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
if ((io->mgmt_functions) && (io->mgmt_functions->get_all_handler)) {
|
|
io->mgmt_functions->get_all_handler(textbuf,io);
|
|
}
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
|
|
ocs_mgmt_end_section(textbuf, "node", node->instance_index);
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_node_set(char *parent, char *name, char *value, void *object)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_node_t *node = (ocs_node_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
ocs_snprintf(qualifier, sizeof(qualifier), "%s/node[%d]", parent, node->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(name, qualifier, strlen(qualifier)) == 0) {
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
if ((io->mgmt_functions) && (io->mgmt_functions->set_handler)) {
|
|
retval = io->mgmt_functions->set_handler(qualifier, name, value, io);
|
|
}
|
|
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_node_exec(char *parent, char *action, void *arg_in, uint32_t arg_in_length,
|
|
void *arg_out, uint32_t arg_out_length, void *object)
|
|
{
|
|
ocs_io_t *io;
|
|
ocs_node_t *node = (ocs_node_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
ocs_snprintf(qualifier, sizeof(qualifier), "%s.node%d", parent, node->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(action, qualifier, strlen(qualifier)) == 0) {
|
|
char *unqualified_name = action + strlen(qualifier) +1;
|
|
|
|
if (ocs_strcmp(unqualified_name, "resume") == 0) {
|
|
ocs_node_post_event(node, OCS_EVT_RESUME, NULL);
|
|
}
|
|
|
|
{
|
|
/* If I didn't know how to do this action pass the request to each of my children */
|
|
ocs_lock(&node->active_ios_lock);
|
|
ocs_list_foreach(&node->active_ios, io) {
|
|
if ((io->mgmt_functions) && (io->mgmt_functions->exec_handler)) {
|
|
retval = io->mgmt_functions->exec_handler(qualifier, action, arg_in, arg_in_length,
|
|
arg_out, arg_out_length, io);
|
|
}
|
|
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_unlock(&node->active_ios_lock);
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* @brief Return TRUE if active ios list is empty
|
|
*
|
|
* Test if node->active_ios list is empty while holding the node->active_ios_lock.
|
|
*
|
|
* @param node pointer to node object
|
|
*
|
|
* @return TRUE if node active ios list is empty
|
|
*/
|
|
|
|
int
|
|
ocs_node_active_ios_empty(ocs_node_t *node)
|
|
{
|
|
int empty;
|
|
|
|
ocs_lock(&node->active_ios_lock);
|
|
empty = ocs_list_empty(&node->active_ios);
|
|
ocs_unlock(&node->active_ios_lock);
|
|
return empty;
|
|
}
|
|
|
|
/**
|
|
* @brief Pause a node
|
|
*
|
|
* The node is placed in the __ocs_node_paused state after saving the state
|
|
* to return to
|
|
*
|
|
* @param node Pointer to node object
|
|
* @param state State to resume to
|
|
*
|
|
* @return none
|
|
*/
|
|
|
|
void
|
|
ocs_node_pause(ocs_node_t *node, ocs_sm_function_t state)
|
|
{
|
|
node->nodedb_state = state;
|
|
ocs_node_transition(node, __ocs_node_paused, NULL);
|
|
}
|
|
|
|
/**
|
|
* @brief Paused node state
|
|
*
|
|
* This state is entered when a state is "paused". When resumed, the node
|
|
* is transitioned to a previously saved state (node->ndoedb_state)
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return returns NULL
|
|
*/
|
|
|
|
void *
|
|
__ocs_node_paused(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_node_state_decl();
|
|
|
|
node_sm_trace();
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER:
|
|
node_printf(node, "Paused\n");
|
|
break;
|
|
|
|
case OCS_EVT_RESUME: {
|
|
ocs_sm_function_t pf = node->nodedb_state;
|
|
|
|
node->nodedb_state = NULL;
|
|
ocs_node_transition(node, pf, NULL);
|
|
break;
|
|
}
|
|
|
|
case OCS_EVT_DOMAIN_ATTACH_OK:
|
|
break;
|
|
|
|
case OCS_EVT_SHUTDOWN:
|
|
node->req_free = 1;
|
|
break;
|
|
|
|
default:
|
|
__ocs_node_common(__func__, ctx, evt, arg);
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief Resume a paused state
|
|
*
|
|
* Posts a resume event to the paused node.
|
|
*
|
|
* @param node Pointer to node object
|
|
*
|
|
* @return returns 0 for success, a negative error code value for failure.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_resume(ocs_node_t *node)
|
|
{
|
|
ocs_assert(node != NULL, -1);
|
|
|
|
ocs_node_post_event(node, OCS_EVT_RESUME, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Dispatch a ELS frame.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* An ELS frame is dispatched to the \c node state machine.
|
|
* RQ Pair mode: this function is always called with a NULL hw
|
|
* io.
|
|
*
|
|
* @param node Node that originated the frame.
|
|
* @param seq header/payload sequence buffers
|
|
*
|
|
* @return Returns 0 if frame processed and RX buffers cleaned
|
|
* up appropriately, -1 if frame not handled and RX buffers need
|
|
* to be returned.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_recv_els_frame(ocs_node_t *node, ocs_hw_sequence_t *seq)
|
|
{
|
|
struct {
|
|
uint32_t cmd;
|
|
ocs_sm_event_t evt;
|
|
uint32_t payload_size;
|
|
} els_cmd_list[] = {
|
|
{FC_ELS_CMD_PLOGI, OCS_EVT_PLOGI_RCVD, sizeof(fc_plogi_payload_t)},
|
|
{FC_ELS_CMD_FLOGI, OCS_EVT_FLOGI_RCVD, sizeof(fc_plogi_payload_t)},
|
|
{FC_ELS_CMD_LOGO, OCS_EVT_LOGO_RCVD, sizeof(fc_acc_payload_t)},
|
|
{FC_ELS_CMD_RRQ, OCS_EVT_RRQ_RCVD, sizeof(fc_acc_payload_t)},
|
|
{FC_ELS_CMD_PRLI, OCS_EVT_PRLI_RCVD, sizeof(fc_prli_payload_t)},
|
|
{FC_ELS_CMD_PRLO, OCS_EVT_PRLO_RCVD, sizeof(fc_prlo_payload_t)},
|
|
{FC_ELS_CMD_PDISC, OCS_EVT_PDISC_RCVD, MAX_ACC_REJECT_PAYLOAD},
|
|
{FC_ELS_CMD_FDISC, OCS_EVT_FDISC_RCVD, MAX_ACC_REJECT_PAYLOAD},
|
|
{FC_ELS_CMD_ADISC, OCS_EVT_ADISC_RCVD, sizeof(fc_adisc_payload_t)},
|
|
{FC_ELS_CMD_RSCN, OCS_EVT_RSCN_RCVD, MAX_ACC_REJECT_PAYLOAD},
|
|
{FC_ELS_CMD_SCR , OCS_EVT_SCR_RCVD, MAX_ACC_REJECT_PAYLOAD},
|
|
};
|
|
ocs_t *ocs = node->ocs;
|
|
ocs_node_cb_t cbdata;
|
|
fc_header_t *hdr = seq->header->dma.virt;
|
|
uint8_t *buf = seq->payload->dma.virt;
|
|
ocs_sm_event_t evt = OCS_EVT_ELS_RCVD;
|
|
uint32_t payload_size = MAX_ACC_REJECT_PAYLOAD;
|
|
uint32_t i;
|
|
|
|
ocs_memset(&cbdata, 0, sizeof(cbdata));
|
|
cbdata.header = seq->header;
|
|
cbdata.payload = seq->payload;
|
|
|
|
/* find a matching event for the ELS command */
|
|
for (i = 0; i < ARRAY_SIZE(els_cmd_list); i ++) {
|
|
if (els_cmd_list[i].cmd == buf[0]) {
|
|
evt = els_cmd_list[i].evt;
|
|
payload_size = els_cmd_list[i].payload_size;
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_FLOGI_RCVD:
|
|
ocs_display_sparams(node->display_name, "flogi rcvd req", 0, NULL, ((uint8_t*)seq->payload->dma.virt)+4);
|
|
break;
|
|
case OCS_EVT_FDISC_RCVD:
|
|
ocs_display_sparams(node->display_name, "fdisc rcvd req", 0, NULL, ((uint8_t*)seq->payload->dma.virt)+4);
|
|
break;
|
|
case OCS_EVT_PLOGI_RCVD:
|
|
ocs_display_sparams(node->display_name, "plogi rcvd req", 0, NULL, ((uint8_t*)seq->payload->dma.virt)+4);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
cbdata.io = ocs_els_io_alloc(node, payload_size, OCS_ELS_ROLE_RESPONDER);
|
|
|
|
if (cbdata.io != NULL) {
|
|
cbdata.io->hw_priv = seq->hw_priv;
|
|
/* if we're here, sequence initiative has been transferred */
|
|
cbdata.io->seq_init = 1;
|
|
|
|
ocs_node_post_event(node, evt, &cbdata);
|
|
} else {
|
|
node_printf(node, "failure to allocate SCSI IO for ELS s_id %06x d_id %06x ox_id %04x rx_id %04x\n",
|
|
fc_be24toh(hdr->s_id), fc_be24toh(hdr->d_id), ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id));
|
|
}
|
|
ocs_hw_sequence_free(&ocs->hw, seq);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Dispatch a ABTS frame (RQ Pair/sequence coalescing).
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* An ABTS frame is dispatched to the node state machine. This
|
|
* function is used for both RQ Pair and sequence coalescing.
|
|
*
|
|
* @param node Node that originated the frame.
|
|
* @param seq Header/payload sequence buffers
|
|
*
|
|
* @return Returns 0 if frame processed and RX buffers cleaned
|
|
* up appropriately, -1 if frame not handled and RX buffers need
|
|
* to be returned.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_recv_abts_frame(ocs_node_t *node, ocs_hw_sequence_t *seq)
|
|
{
|
|
ocs_t *ocs = node->ocs;
|
|
ocs_xport_t *xport = ocs->xport;
|
|
fc_header_t *hdr = seq->header->dma.virt;
|
|
uint16_t ox_id = ocs_be16toh(hdr->ox_id);
|
|
uint16_t rx_id = ocs_be16toh(hdr->rx_id);
|
|
ocs_node_cb_t cbdata;
|
|
int32_t rc = 0;
|
|
|
|
node->abort_cnt++;
|
|
|
|
/*
|
|
* Check to see if the IO we want to abort is active, if it not active,
|
|
* then we can send the BA_ACC using the send frame option
|
|
*/
|
|
if (ocs_io_find_tgt_io(ocs, node, ox_id, rx_id) == NULL) {
|
|
uint32_t send_frame_capable;
|
|
|
|
ocs_log_debug(ocs, "IO not found (ox_id %04x)\n", ox_id);
|
|
|
|
/* If we have SEND_FRAME capability, then use it to send BA_ACC */
|
|
rc = ocs_hw_get(&ocs->hw, OCS_HW_SEND_FRAME_CAPABLE, &send_frame_capable);
|
|
if ((rc == 0) && send_frame_capable) {
|
|
rc = ocs_sframe_send_bls_acc(node, seq);
|
|
if (rc) {
|
|
ocs_log_test(ocs, "ocs_bls_acc_send_frame failed\n");
|
|
}
|
|
return rc;
|
|
}
|
|
/* continuing */
|
|
}
|
|
|
|
ocs_memset(&cbdata, 0, sizeof(cbdata));
|
|
cbdata.header = seq->header;
|
|
cbdata.payload = seq->payload;
|
|
|
|
cbdata.io = ocs_scsi_io_alloc(node, OCS_SCSI_IO_ROLE_RESPONDER);
|
|
if (cbdata.io != NULL) {
|
|
cbdata.io->hw_priv = seq->hw_priv;
|
|
/* If we got this far, SIT=1 */
|
|
cbdata.io->seq_init = 1;
|
|
|
|
/* fill out generic fields */
|
|
cbdata.io->ocs = ocs;
|
|
cbdata.io->node = node;
|
|
cbdata.io->cmd_tgt = TRUE;
|
|
|
|
ocs_node_post_event(node, OCS_EVT_ABTS_RCVD, &cbdata);
|
|
} else {
|
|
ocs_atomic_add_return(&xport->io_alloc_failed_count, 1);
|
|
node_printf(node, "SCSI IO allocation failed for ABTS received s_id %06x d_id %06x ox_id %04x rx_id %04x\n",
|
|
fc_be24toh(hdr->s_id), fc_be24toh(hdr->d_id), ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id));
|
|
}
|
|
|
|
/* ABTS processed, return RX buffer to the chip */
|
|
ocs_hw_sequence_free(&ocs->hw, seq);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Dispatch a CT frame.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* A CT frame is dispatched to the \c node state machine.
|
|
* RQ Pair mode: this function is always called with a NULL hw
|
|
* io.
|
|
*
|
|
* @param node Node that originated the frame.
|
|
* @param seq header/payload sequence buffers
|
|
*
|
|
* @return Returns 0 if frame processed and RX buffers cleaned
|
|
* up appropriately, -1 if frame not handled and RX buffers need
|
|
* to be returned.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_recv_ct_frame(ocs_node_t *node, ocs_hw_sequence_t *seq)
|
|
{
|
|
ocs_t *ocs = node->ocs;
|
|
fc_header_t *hdr = seq->header->dma.virt;
|
|
fcct_iu_header_t *iu = seq->payload->dma.virt;
|
|
ocs_sm_event_t evt = OCS_EVT_ELS_RCVD;
|
|
uint32_t payload_size = MAX_ACC_REJECT_PAYLOAD;
|
|
uint16_t gscmd = ocs_be16toh(iu->cmd_rsp_code);
|
|
ocs_node_cb_t cbdata;
|
|
uint32_t i;
|
|
struct {
|
|
uint32_t cmd;
|
|
ocs_sm_event_t evt;
|
|
uint32_t payload_size;
|
|
} ct_cmd_list[] = {
|
|
{FC_GS_NAMESERVER_RFF_ID, OCS_EVT_RFF_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RFT_ID, OCS_EVT_RFT_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_GNN_ID, OCS_EVT_GNN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_GPN_ID, OCS_EVT_GPN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_GFPN_ID, OCS_EVT_GFPN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_GFF_ID, OCS_EVT_GFF_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_GID_FT, OCS_EVT_GID_FT_RCVD, 256},
|
|
{FC_GS_NAMESERVER_GID_PT, OCS_EVT_GID_PT_RCVD, 256},
|
|
{FC_GS_NAMESERVER_RPN_ID, OCS_EVT_RPN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RNN_ID, OCS_EVT_RNN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RCS_ID, OCS_EVT_RCS_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RSNN_NN, OCS_EVT_RSNN_NN_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RSPN_ID, OCS_EVT_RSPN_ID_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RHBA, OCS_EVT_RHBA_RCVD, 100},
|
|
{FC_GS_NAMESERVER_RPA, OCS_EVT_RPA_RCVD, 100},
|
|
};
|
|
|
|
ocs_memset(&cbdata, 0, sizeof(cbdata));
|
|
cbdata.header = seq->header;
|
|
cbdata.payload = seq->payload;
|
|
|
|
/* find a matching event for the ELS/GS command */
|
|
for (i = 0; i < ARRAY_SIZE(ct_cmd_list); i ++) {
|
|
if (ct_cmd_list[i].cmd == gscmd) {
|
|
evt = ct_cmd_list[i].evt;
|
|
payload_size = ct_cmd_list[i].payload_size;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Allocate an IO and send a reject */
|
|
cbdata.io = ocs_els_io_alloc(node, payload_size, OCS_ELS_ROLE_RESPONDER);
|
|
if (cbdata.io == NULL) {
|
|
node_printf(node, "GS IO failed for s_id %06x d_id %06x ox_id %04x rx_id %04x\n",
|
|
fc_be24toh(hdr->s_id), fc_be24toh(hdr->d_id),
|
|
ocs_be16toh(hdr->ox_id), ocs_be16toh(hdr->rx_id));
|
|
return -1;
|
|
}
|
|
cbdata.io->hw_priv = seq->hw_priv;
|
|
ocs_node_post_event(node, evt, &cbdata);
|
|
|
|
ocs_hw_sequence_free(&ocs->hw, seq);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Dispatch a FCP command frame when the node is not ready.
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* A frame is dispatched to the \c node state machine.
|
|
*
|
|
* @param node Node that originated the frame.
|
|
* @param seq header/payload sequence buffers
|
|
*
|
|
* @return Returns 0 if frame processed and RX buffers cleaned
|
|
* up appropriately, -1 if frame not handled.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_recv_fcp_cmd(ocs_node_t *node, ocs_hw_sequence_t *seq)
|
|
{
|
|
ocs_node_cb_t cbdata;
|
|
ocs_t *ocs = node->ocs;
|
|
|
|
ocs_memset(&cbdata, 0, sizeof(cbdata));
|
|
cbdata.header = seq->header;
|
|
cbdata.payload = seq->payload;
|
|
ocs_node_post_event(node, OCS_EVT_FCP_CMD_RCVD, &cbdata);
|
|
ocs_hw_sequence_free(&ocs->hw, seq);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @ingroup node_common
|
|
* @brief Stub handler for non-ABTS BLS frames
|
|
*
|
|
* <h3 class="desc">Description</h3>
|
|
* Log message and drop. Customer can plumb it to their back-end as needed
|
|
*
|
|
* @param node Node that originated the frame.
|
|
* @param seq header/payload sequence buffers
|
|
*
|
|
* @return Returns 0
|
|
*/
|
|
|
|
int32_t
|
|
ocs_node_recv_bls_no_sit(ocs_node_t *node, ocs_hw_sequence_t *seq)
|
|
{
|
|
fc_header_t *hdr = seq->header->dma.virt;
|
|
|
|
node_printf(node, "Dropping frame hdr = %08x %08x %08x %08x %08x %08x\n",
|
|
ocs_htobe32(((uint32_t *)hdr)[0]),
|
|
ocs_htobe32(((uint32_t *)hdr)[1]),
|
|
ocs_htobe32(((uint32_t *)hdr)[2]),
|
|
ocs_htobe32(((uint32_t *)hdr)[3]),
|
|
ocs_htobe32(((uint32_t *)hdr)[4]),
|
|
ocs_htobe32(((uint32_t *)hdr)[5]));
|
|
|
|
return -1;
|
|
}
|