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![kernel test robot](/assets/img/avatar_default.png)
drivers/scsi/qla2xxx/qla_edif.c:213:25-29: Unneeded variable: "rval". Return "0"
on line 264
Remove unneeded variable used to store return value.
Generated by: scripts/coccinelle/misc/returnvar.cocci
Link: https://lore.kernel.org/r/20210817051315.2477-12-njavali@marvell.com
Fixes: 7ebb336e45
("scsi: qla2xxx: edif: Add start + stop bsgs")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
3461 lines
97 KiB
C
3461 lines
97 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Marvell Fibre Channel HBA Driver
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* Copyright (c) 2021 Marvell
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*/
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#include "qla_def.h"
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#include "qla_edif.h"
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#include <linux/kthread.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include <scsi/scsi_tcq.h>
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static struct edif_sa_index_entry *qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,
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struct list_head *sa_list);
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static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport,
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struct qla_sa_update_frame *sa_frame);
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static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle,
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uint16_t sa_index);
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static int qla_pur_get_pending(scsi_qla_host_t *, fc_port_t *, struct bsg_job *);
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struct edb_node {
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struct list_head list;
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uint32_t ntype;
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union {
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port_id_t plogi_did;
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uint32_t async;
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port_id_t els_sid;
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struct edif_sa_update_aen sa_aen;
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} u;
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};
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static struct els_sub_cmd {
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uint16_t cmd;
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const char *str;
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} sc_str[] = {
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{SEND_ELS, "send ELS"},
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{SEND_ELS_REPLY, "send ELS Reply"},
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{PULL_ELS, "retrieve ELS"},
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};
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const char *sc_to_str(uint16_t cmd)
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{
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int i;
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struct els_sub_cmd *e;
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for (i = 0; i < ARRAY_SIZE(sc_str); i++) {
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e = sc_str + i;
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if (cmd == e->cmd)
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return e->str;
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}
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return "unknown";
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}
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static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport,
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uint16_t handle)
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{
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struct edif_list_entry *entry;
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struct edif_list_entry *tentry;
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struct list_head *indx_list = &fcport->edif.edif_indx_list;
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list_for_each_entry_safe(entry, tentry, indx_list, next) {
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if (entry->handle == handle)
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return entry;
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}
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return NULL;
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}
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/* timeout called when no traffic and delayed rx sa_index delete */
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static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t)
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{
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struct edif_list_entry *edif_entry = from_timer(edif_entry, t, timer);
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fc_port_t *fcport = edif_entry->fcport;
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struct scsi_qla_host *vha = fcport->vha;
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struct edif_sa_ctl *sa_ctl;
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uint16_t nport_handle;
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unsigned long flags = 0;
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ql_dbg(ql_dbg_edif, vha, 0x3069,
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"%s: nport_handle 0x%x, SA REPL Delay Timeout, %8phC portid=%06x\n",
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__func__, edif_entry->handle, fcport->port_name, fcport->d_id.b24);
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/*
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* if delete_sa_index is valid then no one has serviced this
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* delayed delete
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*/
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spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
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/*
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* delete_sa_index is invalidated when we find the new sa_index in
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* the incoming data stream. If it is not invalidated then we are
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* still looking for the new sa_index because there is no I/O and we
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* need to just force the rx delete and move on. Otherwise
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* we could get another rekey which will result in an error 66.
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*/
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if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) {
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uint16_t delete_sa_index = edif_entry->delete_sa_index;
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edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
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nport_handle = edif_entry->handle;
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spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
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sa_ctl = qla_edif_find_sa_ctl_by_index(fcport,
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delete_sa_index, 0);
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if (sa_ctl) {
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ql_dbg(ql_dbg_edif, vha, 0x3063,
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"%s: sa_ctl: %p, delete index %d, update index: %d, lid: 0x%x\n",
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__func__, sa_ctl, delete_sa_index, edif_entry->update_sa_index,
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nport_handle);
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sa_ctl->flags = EDIF_SA_CTL_FLG_DEL;
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set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state);
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qla_post_sa_replace_work(fcport->vha, fcport,
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nport_handle, sa_ctl);
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} else {
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ql_dbg(ql_dbg_edif, vha, 0x3063,
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"%s: sa_ctl not found for delete_sa_index: %d\n",
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__func__, edif_entry->delete_sa_index);
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}
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} else {
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spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
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}
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}
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/*
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* create a new list entry for this nport handle and
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* add an sa_update index to the list - called for sa_update
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*/
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static int qla_edif_list_add_sa_update_index(fc_port_t *fcport,
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uint16_t sa_index, uint16_t handle)
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{
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struct edif_list_entry *entry;
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unsigned long flags = 0;
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/* if the entry exists, then just update the sa_index */
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entry = qla_edif_list_find_sa_index(fcport, handle);
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if (entry) {
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entry->update_sa_index = sa_index;
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entry->count = 0;
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return 0;
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}
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/*
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* This is the normal path - there should be no existing entry
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* when update is called. The exception is at startup
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* when update is called for the first two sa_indexes
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* followed by a delete of the first sa_index
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*/
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entry = kzalloc((sizeof(struct edif_list_entry)), GFP_ATOMIC);
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if (!entry)
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return -ENOMEM;
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INIT_LIST_HEAD(&entry->next);
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entry->handle = handle;
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entry->update_sa_index = sa_index;
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entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
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entry->count = 0;
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entry->flags = 0;
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timer_setup(&entry->timer, qla2x00_sa_replace_iocb_timeout, 0);
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spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
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list_add_tail(&entry->next, &fcport->edif.edif_indx_list);
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spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
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return 0;
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}
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/* remove an entry from the list */
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static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry)
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{
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unsigned long flags = 0;
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spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
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list_del(&entry->next);
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spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
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}
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int qla_post_sa_replace_work(struct scsi_qla_host *vha,
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fc_port_t *fcport, uint16_t nport_handle, struct edif_sa_ctl *sa_ctl)
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{
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struct qla_work_evt *e;
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e = qla2x00_alloc_work(vha, QLA_EVT_SA_REPLACE);
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if (!e)
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return QLA_FUNCTION_FAILED;
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e->u.sa_update.fcport = fcport;
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e->u.sa_update.sa_ctl = sa_ctl;
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e->u.sa_update.nport_handle = nport_handle;
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fcport->flags |= FCF_ASYNC_ACTIVE;
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return qla2x00_post_work(vha, e);
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}
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static void
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qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port *fcport)
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{
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ql_dbg(ql_dbg_edif, vha, 0x2058,
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"Init SA_CTL List for fcport - nn %8phN pn %8phN portid=%06x.\n",
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fcport->node_name, fcport->port_name, fcport->d_id.b24);
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fcport->edif.tx_rekey_cnt = 0;
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fcport->edif.rx_rekey_cnt = 0;
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fcport->edif.tx_bytes = 0;
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fcport->edif.rx_bytes = 0;
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}
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static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job,
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fc_port_t *fcport)
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{
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struct extra_auth_els *p;
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struct fc_bsg_reply *bsg_reply = bsg_job->reply;
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struct qla_bsg_auth_els_request *req =
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(struct qla_bsg_auth_els_request *)bsg_job->request;
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if (!vha->hw->flags.edif_enabled) {
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ql_dbg(ql_dbg_edif, vha, 0x9105,
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"%s edif not enabled\n", __func__);
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goto done;
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}
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if (vha->e_dbell.db_flags != EDB_ACTIVE) {
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ql_dbg(ql_dbg_edif, vha, 0x09102,
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"%s doorbell not enabled\n", __func__);
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goto done;
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}
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p = &req->e;
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/* Get response */
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if (p->sub_cmd == PULL_ELS) {
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struct qla_bsg_auth_els_reply *rpl =
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(struct qla_bsg_auth_els_reply *)bsg_job->reply;
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qla_pur_get_pending(vha, fcport, bsg_job);
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ql_dbg(ql_dbg_edif, vha, 0x911d,
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"%s %s %8phN sid=%x. xchg %x, nb=%xh bsg ptr %p\n",
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__func__, sc_to_str(p->sub_cmd), fcport->port_name,
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fcport->d_id.b24, rpl->rx_xchg_address,
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rpl->r.reply_payload_rcv_len, bsg_job);
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goto done;
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}
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return 0;
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done:
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bsg_job_done(bsg_job, bsg_reply->result,
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bsg_reply->reply_payload_rcv_len);
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return -EIO;
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}
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fc_port_t *
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qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id)
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{
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fc_port_t *f, *tf;
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f = NULL;
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list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
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if ((f->flags & FCF_FCSP_DEVICE)) {
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ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x2058,
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"Found secure fcport - nn %8phN pn %8phN portid=0x%x, 0x%x.\n",
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f->node_name, f->port_name,
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f->d_id.b24, id->b24);
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if (f->d_id.b24 == id->b24)
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return f;
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}
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}
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return NULL;
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}
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/**
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* qla_edif_app_check(): check for valid application id.
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* @vha: host adapter pointer
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* @appid: application id
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* Return: false = fail, true = pass
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*/
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static bool
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qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid)
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{
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/* check that the app is allow/known to the driver */
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if (appid.app_vid == EDIF_APP_ID) {
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ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s app id ok\n", __func__);
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return true;
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}
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ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)",
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__func__, appid.app_vid);
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return false;
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}
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static void qla_edif_reset_auth_wait(struct fc_port *fcport, int state,
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int waitonly)
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{
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int cnt, max_cnt = 200;
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bool traced = false;
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fcport->keep_nport_handle = 1;
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if (!waitonly) {
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qla2x00_set_fcport_disc_state(fcport, state);
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qlt_schedule_sess_for_deletion(fcport);
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} else {
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qla2x00_set_fcport_disc_state(fcport, state);
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}
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ql_dbg(ql_dbg_edif, fcport->vha, 0xf086,
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"%s: waiting for session, max_cnt=%u\n",
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__func__, max_cnt);
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cnt = 0;
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if (waitonly) {
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/* Marker wait min 10 msecs. */
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msleep(50);
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cnt += 50;
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}
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while (1) {
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if (!traced) {
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ql_dbg(ql_dbg_edif, fcport->vha, 0xf086,
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"%s: session sleep.\n",
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__func__);
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traced = true;
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}
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msleep(20);
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cnt++;
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if (waitonly && (fcport->disc_state == state ||
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fcport->disc_state == DSC_LOGIN_COMPLETE))
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break;
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if (fcport->disc_state == DSC_LOGIN_AUTH_PEND)
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break;
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if (cnt > max_cnt)
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break;
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}
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if (!waitonly) {
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ql_dbg(ql_dbg_edif, fcport->vha, 0xf086,
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"%s: waited for session - %8phC, loopid=%x portid=%06x fcport=%p state=%u, cnt=%u\n",
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__func__, fcport->port_name, fcport->loop_id,
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fcport->d_id.b24, fcport, fcport->disc_state, cnt);
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} else {
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ql_dbg(ql_dbg_edif, fcport->vha, 0xf086,
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"%s: waited ONLY for session - %8phC, loopid=%x portid=%06x fcport=%p state=%u, cnt=%u\n",
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__func__, fcport->port_name, fcport->loop_id,
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fcport->d_id.b24, fcport, fcport->disc_state, cnt);
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}
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}
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static void
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qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl,
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int index)
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{
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unsigned long flags = 0;
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spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
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list_del(&sa_ctl->next);
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spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
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if (index >= 512)
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fcport->edif.tx_rekey_cnt--;
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else
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fcport->edif.rx_rekey_cnt--;
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kfree(sa_ctl);
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}
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|
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/* return an index to the freepool */
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static void qla_edif_add_sa_index_to_freepool(fc_port_t *fcport, int dir,
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uint16_t sa_index)
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{
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void *sa_id_map;
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struct scsi_qla_host *vha = fcport->vha;
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struct qla_hw_data *ha = vha->hw;
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unsigned long flags = 0;
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u16 lsa_index = sa_index;
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|
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ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
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"%s: entry\n", __func__);
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|
|
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if (dir) {
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sa_id_map = ha->edif_tx_sa_id_map;
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lsa_index -= EDIF_TX_SA_INDEX_BASE;
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} else {
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sa_id_map = ha->edif_rx_sa_id_map;
|
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}
|
|
|
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spin_lock_irqsave(&ha->sadb_fp_lock, flags);
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clear_bit(lsa_index, sa_id_map);
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spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
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ql_dbg(ql_dbg_edif, vha, 0x3063,
|
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"%s: index %d added to free pool\n", __func__, sa_index);
|
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}
|
|
|
|
static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha,
|
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struct fc_port *fcport, struct edif_sa_index_entry *entry,
|
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int pdir)
|
|
{
|
|
struct edif_list_entry *edif_entry;
|
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struct edif_sa_ctl *sa_ctl;
|
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int i, dir;
|
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int key_cnt = 0;
|
|
|
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for (i = 0; i < 2; i++) {
|
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if (entry->sa_pair[i].sa_index == INVALID_EDIF_SA_INDEX)
|
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continue;
|
|
|
|
if (fcport->loop_id != entry->handle) {
|
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ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: ** WARNING %d** entry handle: 0x%x, lid: 0x%x, sa_index: %d\n",
|
|
__func__, i, entry->handle, fcport->loop_id,
|
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entry->sa_pair[i].sa_index);
|
|
}
|
|
|
|
/* release the sa_ctl */
|
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sa_ctl = qla_edif_find_sa_ctl_by_index(fcport,
|
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entry->sa_pair[i].sa_index, pdir);
|
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if (sa_ctl &&
|
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qla_edif_find_sa_ctl_by_index(fcport, sa_ctl->index, pdir)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index);
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qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index);
|
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} else {
|
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ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: sa_ctl NOT freed, sa_ctl: %p\n", __func__, sa_ctl);
|
|
}
|
|
|
|
/* Release the index */
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_index %d, nph: 0x%x\n",
|
|
__func__, entry->sa_pair[i].sa_index, entry->handle);
|
|
|
|
dir = (entry->sa_pair[i].sa_index <
|
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EDIF_TX_SA_INDEX_BASE) ? 0 : 1;
|
|
qla_edif_add_sa_index_to_freepool(fcport, dir,
|
|
entry->sa_pair[i].sa_index);
|
|
|
|
/* Delete timer on RX */
|
|
if (pdir != SAU_FLG_TX) {
|
|
edif_entry =
|
|
qla_edif_list_find_sa_index(fcport, entry->handle);
|
|
if (edif_entry) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x5033,
|
|
"%s: remove edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n",
|
|
__func__, edif_entry, edif_entry->update_sa_index,
|
|
edif_entry->delete_sa_index);
|
|
qla_edif_list_delete_sa_index(fcport, edif_entry);
|
|
/*
|
|
* valid delete_sa_index indicates there is a rx
|
|
* delayed delete queued
|
|
*/
|
|
if (edif_entry->delete_sa_index !=
|
|
INVALID_EDIF_SA_INDEX) {
|
|
del_timer(&edif_entry->timer);
|
|
|
|
/* build and send the aen */
|
|
fcport->edif.rx_sa_set = 1;
|
|
fcport->edif.rx_sa_pending = 0;
|
|
qla_edb_eventcreate(vha,
|
|
VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
QL_VND_SA_STAT_SUCCESS,
|
|
QL_VND_RX_SA_KEY, fcport);
|
|
}
|
|
ql_dbg(ql_dbg_edif, vha, 0x5033,
|
|
"%s: release edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n",
|
|
__func__, edif_entry, edif_entry->update_sa_index,
|
|
edif_entry->delete_sa_index);
|
|
|
|
kfree(edif_entry);
|
|
}
|
|
}
|
|
key_cnt++;
|
|
}
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: %d %s keys released\n",
|
|
__func__, key_cnt, pdir ? "tx" : "rx");
|
|
}
|
|
|
|
/* find an release all outstanding sadb sa_indicies */
|
|
void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport)
|
|
{
|
|
struct edif_sa_index_entry *entry, *tmp;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
unsigned long flags;
|
|
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
|
|
"%s: Starting...\n", __func__);
|
|
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
|
|
list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) {
|
|
if (entry->fcport == fcport) {
|
|
list_del(&entry->next);
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
__qla2x00_release_all_sadb(vha, fcport, entry, 0);
|
|
kfree(entry);
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
break;
|
|
}
|
|
}
|
|
|
|
list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) {
|
|
if (entry->fcport == fcport) {
|
|
list_del(&entry->next);
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
|
|
__qla2x00_release_all_sadb(vha, fcport, entry, SAU_FLG_TX);
|
|
|
|
kfree(entry);
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_start: application has announce its present
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user request
|
|
*
|
|
* Set/activate doorbell. Reset current sessions and re-login with
|
|
* secure flag.
|
|
*/
|
|
static int
|
|
qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
int32_t rval = 0;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
struct app_start appstart;
|
|
struct app_start_reply appreply;
|
|
struct fc_port *fcport, *tf;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app start\n", __func__);
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &appstart,
|
|
sizeof(struct app_start));
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app_vid=%x app_start_flags %x\n",
|
|
__func__, appstart.app_info.app_vid, appstart.app_start_flags);
|
|
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
/* mark doorbell as active since an app is now present */
|
|
vha->e_dbell.db_flags = EDB_ACTIVE;
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e, "%s doorbell already active\n",
|
|
__func__);
|
|
}
|
|
|
|
if (N2N_TOPO(vha->hw)) {
|
|
if (vha->hw->flags.n2n_fw_acc_sec)
|
|
set_bit(N2N_LINK_RESET, &vha->dpc_flags);
|
|
else
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
qla2xxx_wake_dpc(vha);
|
|
} else {
|
|
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
|
|
ql_dbg(ql_dbg_edif, vha, 0xf084,
|
|
"%s: sess %p %8phC lid %#04x s_id %06x logout %d\n",
|
|
__func__, fcport, fcport->port_name,
|
|
fcport->loop_id, fcport->d_id.b24,
|
|
fcport->logout_on_delete);
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0xf084,
|
|
"keep %d els_logo %d disc state %d auth state %d stop state %d\n",
|
|
fcport->keep_nport_handle,
|
|
fcport->send_els_logo, fcport->disc_state,
|
|
fcport->edif.auth_state, fcport->edif.app_stop);
|
|
|
|
if (atomic_read(&vha->loop_state) == LOOP_DOWN)
|
|
break;
|
|
if (!(fcport->flags & FCF_FCSP_DEVICE))
|
|
continue;
|
|
|
|
fcport->edif.app_started = 1;
|
|
if (fcport->edif.app_stop ||
|
|
(fcport->disc_state != DSC_LOGIN_COMPLETE &&
|
|
fcport->disc_state != DSC_LOGIN_PEND &&
|
|
fcport->disc_state != DSC_DELETED)) {
|
|
/* no activity */
|
|
fcport->edif.app_stop = 0;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s wwpn %8phC calling qla_edif_reset_auth_wait\n",
|
|
__func__, fcport->port_name);
|
|
fcport->edif.app_sess_online = 1;
|
|
qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 0);
|
|
}
|
|
qla_edif_sa_ctl_init(vha, fcport);
|
|
}
|
|
}
|
|
|
|
if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
|
|
/* mark as active since an app is now present */
|
|
vha->pur_cinfo.enode_flags = ENODE_ACTIVE;
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911f, "%s enode already active\n",
|
|
__func__);
|
|
}
|
|
|
|
appreply.host_support_edif = vha->hw->flags.edif_enabled;
|
|
appreply.edif_enode_active = vha->pur_cinfo.enode_flags;
|
|
appreply.edif_edb_active = vha->e_dbell.db_flags;
|
|
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
|
|
sizeof(struct app_start_reply);
|
|
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
|
|
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, &appreply,
|
|
sizeof(struct app_start_reply));
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s app start completed with 0x%x\n",
|
|
__func__, rval);
|
|
|
|
return rval;
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_stop - app has announced it's exiting.
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user space command pointer
|
|
*
|
|
* Free any in flight messages, clear all doorbell events
|
|
* to application. Reject any message relate to security.
|
|
*/
|
|
static int
|
|
qla_edif_app_stop(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
struct app_stop appstop;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
struct fc_port *fcport, *tf;
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &appstop,
|
|
sizeof(struct app_stop));
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s Stopping APP: app_vid=%x\n",
|
|
__func__, appstop.app_info.app_vid);
|
|
|
|
/* Call db stop and enode stop functions */
|
|
|
|
/* if we leave this running short waits are operational < 16 secs */
|
|
qla_enode_stop(vha); /* stop enode */
|
|
qla_edb_stop(vha); /* stop db */
|
|
|
|
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
|
|
if (!(fcport->flags & FCF_FCSP_DEVICE))
|
|
continue;
|
|
|
|
if (fcport->flags & FCF_FCSP_DEVICE) {
|
|
ql_dbg(ql_dbg_edif, vha, 0xf084,
|
|
"%s: sess %p from port %8phC lid %#04x s_id %06x logout %d keep %d els_logo %d\n",
|
|
__func__, fcport,
|
|
fcport->port_name, fcport->loop_id, fcport->d_id.b24,
|
|
fcport->logout_on_delete, fcport->keep_nport_handle,
|
|
fcport->send_els_logo);
|
|
|
|
if (atomic_read(&vha->loop_state) == LOOP_DOWN)
|
|
break;
|
|
|
|
fcport->edif.app_stop = 1;
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s wwpn %8phC calling qla_edif_reset_auth_wait\n",
|
|
__func__, fcport->port_name);
|
|
|
|
fcport->send_els_logo = 1;
|
|
qlt_schedule_sess_for_deletion(fcport);
|
|
|
|
/* qla_edif_flush_sa_ctl_lists(fcport); */
|
|
fcport->edif.app_started = 0;
|
|
}
|
|
}
|
|
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
|
|
/* no return interface to app - it assumes we cleaned up ok */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qla_edif_app_chk_sa_update(scsi_qla_host_t *vha, fc_port_t *fcport,
|
|
struct app_plogi_reply *appplogireply)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n",
|
|
__func__, fcport->port_name, fcport->edif.tx_sa_set,
|
|
fcport->edif.rx_sa_set);
|
|
appplogireply->prli_status = 0;
|
|
ret = 1;
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s wwpn %8phC Both SA(s) updated.\n", __func__,
|
|
fcport->port_name);
|
|
fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0;
|
|
fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0;
|
|
appplogireply->prli_status = 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_authok - authentication by app succeeded. Driver can proceed
|
|
* with prli
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user request
|
|
*/
|
|
static int
|
|
qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
int32_t rval = 0;
|
|
struct auth_complete_cmd appplogiok;
|
|
struct app_plogi_reply appplogireply = {0};
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
fc_port_t *fcport = NULL;
|
|
port_id_t portid = {0};
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &appplogiok,
|
|
sizeof(struct auth_complete_cmd));
|
|
|
|
switch (appplogiok.type) {
|
|
case PL_TYPE_WWPN:
|
|
fcport = qla2x00_find_fcport_by_wwpn(vha,
|
|
appplogiok.u.wwpn, 0);
|
|
if (!fcport)
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s wwpn lookup failed: %8phC\n",
|
|
__func__, appplogiok.u.wwpn);
|
|
break;
|
|
case PL_TYPE_DID:
|
|
fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id);
|
|
if (!fcport)
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s d_id lookup failed: %x\n", __func__,
|
|
portid.b24);
|
|
break;
|
|
default:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s undefined type: %x\n", __func__,
|
|
appplogiok.type);
|
|
break;
|
|
}
|
|
|
|
if (!fcport) {
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto errstate_exit;
|
|
}
|
|
|
|
/*
|
|
* if port is online then this is a REKEY operation
|
|
* Only do sa update checking
|
|
*/
|
|
if (atomic_read(&fcport->state) == FCS_ONLINE) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s Skipping PRLI complete based on rekey\n", __func__);
|
|
appplogireply.prli_status = 1;
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
qla_edif_app_chk_sa_update(vha, fcport, &appplogireply);
|
|
goto errstate_exit;
|
|
}
|
|
|
|
/* make sure in AUTH_PENDING or else reject */
|
|
if (fcport->disc_state != DSC_LOGIN_AUTH_PEND) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s wwpn %8phC is not in auth pending state (%x)\n",
|
|
__func__, fcport->port_name, fcport->disc_state);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
appplogireply.prli_status = 0;
|
|
goto errstate_exit;
|
|
}
|
|
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
appplogireply.prli_status = 1;
|
|
fcport->edif.authok = 1;
|
|
if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n",
|
|
__func__, fcport->port_name, fcport->edif.tx_sa_set,
|
|
fcport->edif.rx_sa_set);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
appplogireply.prli_status = 0;
|
|
goto errstate_exit;
|
|
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s wwpn %8phC Both SA(s) updated.\n", __func__,
|
|
fcport->port_name);
|
|
fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0;
|
|
fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0;
|
|
}
|
|
|
|
if (qla_ini_mode_enabled(vha)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s AUTH complete - RESUME with prli for wwpn %8phC\n",
|
|
__func__, fcport->port_name);
|
|
qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 1);
|
|
qla24xx_post_prli_work(vha, fcport);
|
|
}
|
|
|
|
errstate_exit:
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, &appplogireply,
|
|
sizeof(struct app_plogi_reply));
|
|
|
|
return rval;
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_authfail - authentication by app has failed. Driver is given
|
|
* notice to tear down current session.
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user request
|
|
*/
|
|
static int
|
|
qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
int32_t rval = 0;
|
|
struct auth_complete_cmd appplogifail;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
fc_port_t *fcport = NULL;
|
|
port_id_t portid = {0};
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app auth fail\n", __func__);
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &appplogifail,
|
|
sizeof(struct auth_complete_cmd));
|
|
|
|
/*
|
|
* TODO: edif: app has failed this plogi. Inform driver to
|
|
* take any action (if any).
|
|
*/
|
|
switch (appplogifail.type) {
|
|
case PL_TYPE_WWPN:
|
|
fcport = qla2x00_find_fcport_by_wwpn(vha,
|
|
appplogifail.u.wwpn, 0);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
break;
|
|
case PL_TYPE_DID:
|
|
fcport = qla2x00_find_fcport_by_pid(vha, &appplogifail.u.d_id);
|
|
if (!fcport)
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s d_id lookup failed: %x\n", __func__,
|
|
portid.b24);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
break;
|
|
default:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s undefined type: %x\n", __func__,
|
|
appplogifail.type);
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
rval = -1;
|
|
break;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s fcport is 0x%p\n", __func__, fcport);
|
|
|
|
if (fcport) {
|
|
/* set/reset edif values and flags */
|
|
ql_dbg(ql_dbg_edif, vha, 0x911e,
|
|
"%s reset the auth process - %8phC, loopid=%x portid=%06x.\n",
|
|
__func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24);
|
|
|
|
if (qla_ini_mode_enabled(fcport->vha)) {
|
|
fcport->send_els_logo = 1;
|
|
qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 0);
|
|
}
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_getfcinfo - app would like to read session info (wwpn, nportid,
|
|
* [initiator|target] mode. It can specific session with specific nport id or
|
|
* all sessions.
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user request pointer
|
|
*/
|
|
static int
|
|
qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
int32_t rval = 0;
|
|
int32_t num_cnt;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
struct app_pinfo_req app_req;
|
|
struct app_pinfo_reply *app_reply;
|
|
port_id_t tdid;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app get fcinfo\n", __func__);
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &app_req,
|
|
sizeof(struct app_pinfo_req));
|
|
|
|
num_cnt = app_req.num_ports; /* num of ports alloc'd by app */
|
|
|
|
app_reply = kzalloc((sizeof(struct app_pinfo_reply) +
|
|
sizeof(struct app_pinfo) * num_cnt), GFP_KERNEL);
|
|
if (!app_reply) {
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
rval = -1;
|
|
} else {
|
|
struct fc_port *fcport = NULL, *tf;
|
|
uint32_t pcnt = 0;
|
|
|
|
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
|
|
if (!(fcport->flags & FCF_FCSP_DEVICE))
|
|
continue;
|
|
|
|
tdid = app_req.remote_pid;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x2058,
|
|
"APP request entry - portid=%06x.\n", tdid.b24);
|
|
|
|
/* Ran out of space */
|
|
if (pcnt > app_req.num_ports)
|
|
break;
|
|
|
|
if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24)
|
|
continue;
|
|
|
|
app_reply->ports[pcnt].rekey_count =
|
|
fcport->edif.rekey_cnt;
|
|
|
|
app_reply->ports[pcnt].remote_type =
|
|
VND_CMD_RTYPE_UNKNOWN;
|
|
if (fcport->port_type & (FCT_NVME_TARGET | FCT_TARGET))
|
|
app_reply->ports[pcnt].remote_type |=
|
|
VND_CMD_RTYPE_TARGET;
|
|
if (fcport->port_type & (FCT_NVME_INITIATOR | FCT_INITIATOR))
|
|
app_reply->ports[pcnt].remote_type |=
|
|
VND_CMD_RTYPE_INITIATOR;
|
|
|
|
app_reply->ports[pcnt].remote_pid = fcport->d_id;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x2058,
|
|
"Found FC_SP fcport - nn %8phN pn %8phN pcnt %d portid=%06x secure %d.\n",
|
|
fcport->node_name, fcport->port_name, pcnt,
|
|
fcport->d_id.b24, fcport->flags & FCF_FCSP_DEVICE);
|
|
|
|
switch (fcport->edif.auth_state) {
|
|
case VND_CMD_AUTH_STATE_ELS_RCVD:
|
|
if (fcport->disc_state == DSC_LOGIN_AUTH_PEND) {
|
|
fcport->edif.auth_state = VND_CMD_AUTH_STATE_NEEDED;
|
|
app_reply->ports[pcnt].auth_state =
|
|
VND_CMD_AUTH_STATE_NEEDED;
|
|
} else {
|
|
app_reply->ports[pcnt].auth_state =
|
|
VND_CMD_AUTH_STATE_ELS_RCVD;
|
|
}
|
|
break;
|
|
default:
|
|
app_reply->ports[pcnt].auth_state = fcport->edif.auth_state;
|
|
break;
|
|
}
|
|
|
|
memcpy(app_reply->ports[pcnt].remote_wwpn,
|
|
fcport->port_name, 8);
|
|
|
|
app_reply->ports[pcnt].remote_state =
|
|
(atomic_read(&fcport->state) ==
|
|
FCS_ONLINE ? 1 : 0);
|
|
|
|
pcnt++;
|
|
|
|
if (tdid.b24 != 0)
|
|
break;
|
|
}
|
|
app_reply->port_count = pcnt;
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
}
|
|
|
|
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, app_reply,
|
|
sizeof(struct app_pinfo_reply) + sizeof(struct app_pinfo) * num_cnt);
|
|
|
|
kfree(app_reply);
|
|
|
|
return rval;
|
|
}
|
|
|
|
/**
|
|
* qla_edif_app_getstats - app would like to read various statistics info
|
|
* @vha: host adapter pointer
|
|
* @bsg_job: user request
|
|
*/
|
|
static int32_t
|
|
qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
int32_t rval = 0;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
uint32_t ret_size, size;
|
|
|
|
struct app_sinfo_req app_req;
|
|
struct app_stats_reply *app_reply;
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &app_req,
|
|
sizeof(struct app_sinfo_req));
|
|
if (app_req.num_ports == 0) {
|
|
ql_dbg(ql_dbg_async, vha, 0x911d,
|
|
"%s app did not indicate number of ports to return\n",
|
|
__func__);
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
rval = -1;
|
|
}
|
|
|
|
size = sizeof(struct app_stats_reply) +
|
|
(sizeof(struct app_sinfo) * app_req.num_ports);
|
|
|
|
if (size > bsg_job->reply_payload.payload_len)
|
|
ret_size = bsg_job->reply_payload.payload_len;
|
|
else
|
|
ret_size = size;
|
|
|
|
app_reply = kzalloc(size, GFP_KERNEL);
|
|
if (!app_reply) {
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
rval = -1;
|
|
} else {
|
|
struct fc_port *fcport = NULL, *tf;
|
|
uint32_t pcnt = 0;
|
|
|
|
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
|
|
if (fcport->edif.enable) {
|
|
if (pcnt > app_req.num_ports)
|
|
break;
|
|
|
|
app_reply->elem[pcnt].rekey_count =
|
|
fcport->edif.rekey_cnt;
|
|
app_reply->elem[pcnt].tx_bytes =
|
|
fcport->edif.tx_bytes;
|
|
app_reply->elem[pcnt].rx_bytes =
|
|
fcport->edif.rx_bytes;
|
|
|
|
memcpy(app_reply->elem[pcnt].remote_wwpn,
|
|
fcport->port_name, 8);
|
|
|
|
pcnt++;
|
|
}
|
|
}
|
|
app_reply->elem_count = pcnt;
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
}
|
|
|
|
bsg_reply->reply_payload_rcv_len =
|
|
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, app_reply, ret_size);
|
|
|
|
kfree(app_reply);
|
|
|
|
return rval;
|
|
}
|
|
|
|
int32_t
|
|
qla_edif_app_mgmt(struct bsg_job *bsg_job)
|
|
{
|
|
struct fc_bsg_request *bsg_request = bsg_job->request;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
|
|
scsi_qla_host_t *vha = shost_priv(host);
|
|
struct app_id appcheck;
|
|
bool done = true;
|
|
int32_t rval = 0;
|
|
uint32_t vnd_sc = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s vnd subcmd=%x\n",
|
|
__func__, vnd_sc);
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &appcheck,
|
|
sizeof(struct app_id));
|
|
|
|
if (!vha->hw->flags.edif_enabled ||
|
|
test_bit(VPORT_DELETE, &vha->dpc_flags)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s edif not enabled or vp delete. bsg ptr done %p. dpc_flags %lx\n",
|
|
__func__, bsg_job, vha->dpc_flags);
|
|
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
}
|
|
|
|
if (!qla_edif_app_check(vha, appcheck)) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s app checked failed.\n",
|
|
__func__);
|
|
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
}
|
|
|
|
switch (vnd_sc) {
|
|
case QL_VND_SC_SA_UPDATE:
|
|
done = false;
|
|
rval = qla24xx_sadb_update(bsg_job);
|
|
break;
|
|
case QL_VND_SC_APP_START:
|
|
rval = qla_edif_app_start(vha, bsg_job);
|
|
break;
|
|
case QL_VND_SC_APP_STOP:
|
|
rval = qla_edif_app_stop(vha, bsg_job);
|
|
break;
|
|
case QL_VND_SC_AUTH_OK:
|
|
rval = qla_edif_app_authok(vha, bsg_job);
|
|
break;
|
|
case QL_VND_SC_AUTH_FAIL:
|
|
rval = qla_edif_app_authfail(vha, bsg_job);
|
|
break;
|
|
case QL_VND_SC_GET_FCINFO:
|
|
rval = qla_edif_app_getfcinfo(vha, bsg_job);
|
|
break;
|
|
case QL_VND_SC_GET_STATS:
|
|
rval = qla_edif_app_getstats(vha, bsg_job);
|
|
break;
|
|
default:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d, "%s unknown cmd=%x\n",
|
|
__func__,
|
|
bsg_request->rqst_data.h_vendor.vendor_cmd[1]);
|
|
rval = EXT_STATUS_INVALID_PARAM;
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
break;
|
|
}
|
|
|
|
done:
|
|
if (done) {
|
|
ql_dbg(ql_dbg_user, vha, 0x7009,
|
|
"%s: %d bsg ptr done %p\n", __func__, __LINE__, bsg_job);
|
|
bsg_job_done(bsg_job, bsg_reply->result,
|
|
bsg_reply->reply_payload_rcv_len);
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
static struct edif_sa_ctl *
|
|
qla_edif_add_sa_ctl(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame,
|
|
int dir)
|
|
{
|
|
struct edif_sa_ctl *sa_ctl;
|
|
struct qla_sa_update_frame *sap;
|
|
int index = sa_frame->fast_sa_index;
|
|
unsigned long flags = 0;
|
|
|
|
sa_ctl = kzalloc(sizeof(*sa_ctl), GFP_KERNEL);
|
|
if (!sa_ctl) {
|
|
/* couldn't get space */
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"unable to allocate SA CTL\n");
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* need to allocate sa_index here and save it
|
|
* in both sa_ctl->index and sa_frame->fast_sa_index;
|
|
* If alloc fails then delete sa_ctl and return NULL
|
|
*/
|
|
INIT_LIST_HEAD(&sa_ctl->next);
|
|
sap = &sa_ctl->sa_frame;
|
|
*sap = *sa_frame;
|
|
sa_ctl->index = index;
|
|
sa_ctl->fcport = fcport;
|
|
sa_ctl->flags = 0;
|
|
sa_ctl->state = 0L;
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"%s: Added sa_ctl %p, index %d, state 0x%lx\n",
|
|
__func__, sa_ctl, sa_ctl->index, sa_ctl->state);
|
|
spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
|
|
if (dir == SAU_FLG_TX)
|
|
list_add_tail(&sa_ctl->next, &fcport->edif.tx_sa_list);
|
|
else
|
|
list_add_tail(&sa_ctl->next, &fcport->edif.rx_sa_list);
|
|
spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
|
|
|
|
return sa_ctl;
|
|
}
|
|
|
|
void
|
|
qla_edif_flush_sa_ctl_lists(fc_port_t *fcport)
|
|
{
|
|
struct edif_sa_ctl *sa_ctl, *tsa_ctl;
|
|
unsigned long flags = 0;
|
|
|
|
spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
|
|
|
|
list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.tx_sa_list,
|
|
next) {
|
|
list_del(&sa_ctl->next);
|
|
kfree(sa_ctl);
|
|
}
|
|
|
|
list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.rx_sa_list,
|
|
next) {
|
|
list_del(&sa_ctl->next);
|
|
kfree(sa_ctl);
|
|
}
|
|
|
|
spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
|
|
}
|
|
|
|
struct edif_sa_ctl *
|
|
qla_edif_find_sa_ctl_by_index(fc_port_t *fcport, int index, int dir)
|
|
{
|
|
struct edif_sa_ctl *sa_ctl, *tsa_ctl;
|
|
struct list_head *sa_list;
|
|
|
|
if (dir == SAU_FLG_TX)
|
|
sa_list = &fcport->edif.tx_sa_list;
|
|
else
|
|
sa_list = &fcport->edif.rx_sa_list;
|
|
|
|
list_for_each_entry_safe(sa_ctl, tsa_ctl, sa_list, next) {
|
|
if (test_bit(EDIF_SA_CTL_USED, &sa_ctl->state) &&
|
|
sa_ctl->index == index)
|
|
return sa_ctl;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* add the sa to the correct list */
|
|
static int
|
|
qla24xx_check_sadb_avail_slot(struct bsg_job *bsg_job, fc_port_t *fcport,
|
|
struct qla_sa_update_frame *sa_frame)
|
|
{
|
|
struct edif_sa_ctl *sa_ctl = NULL;
|
|
int dir;
|
|
uint16_t sa_index;
|
|
|
|
dir = (sa_frame->flags & SAU_FLG_TX);
|
|
|
|
/* map the spi to an sa_index */
|
|
sa_index = qla_edif_sadb_get_sa_index(fcport, sa_frame);
|
|
if (sa_index == RX_DELETE_NO_EDIF_SA_INDEX) {
|
|
/* process rx delete */
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
|
|
"%s: rx delete for lid 0x%x, spi 0x%x, no entry found\n",
|
|
__func__, fcport->loop_id, sa_frame->spi);
|
|
|
|
/* build and send the aen */
|
|
fcport->edif.rx_sa_set = 1;
|
|
fcport->edif.rx_sa_pending = 0;
|
|
qla_edb_eventcreate(fcport->vha,
|
|
VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
QL_VND_SA_STAT_SUCCESS,
|
|
QL_VND_RX_SA_KEY, fcport);
|
|
|
|
/* force a return of good bsg status; */
|
|
return RX_DELETE_NO_EDIF_SA_INDEX;
|
|
} else if (sa_index == INVALID_EDIF_SA_INDEX) {
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"%s: Failed to get sa_index for spi 0x%x, dir: %d\n",
|
|
__func__, sa_frame->spi, dir);
|
|
return INVALID_EDIF_SA_INDEX;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"%s: index %d allocated to spi 0x%x, dir: %d, nport_handle: 0x%x\n",
|
|
__func__, sa_index, sa_frame->spi, dir, fcport->loop_id);
|
|
|
|
/* This is a local copy of sa_frame. */
|
|
sa_frame->fast_sa_index = sa_index;
|
|
/* create the sa_ctl */
|
|
sa_ctl = qla_edif_add_sa_ctl(fcport, sa_frame, dir);
|
|
if (!sa_ctl) {
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"%s: Failed to add sa_ctl for spi 0x%x, dir: %d, sa_index: %d\n",
|
|
__func__, sa_frame->spi, dir, sa_index);
|
|
return -1;
|
|
}
|
|
|
|
set_bit(EDIF_SA_CTL_USED, &sa_ctl->state);
|
|
|
|
if (dir == SAU_FLG_TX)
|
|
fcport->edif.tx_rekey_cnt++;
|
|
else
|
|
fcport->edif.rx_rekey_cnt++;
|
|
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
|
|
"%s: Found sa_ctl %p, index %d, state 0x%lx, tx_cnt %d, rx_cnt %d, nport_handle: 0x%x\n",
|
|
__func__, sa_ctl, sa_ctl->index, sa_ctl->state,
|
|
fcport->edif.tx_rekey_cnt,
|
|
fcport->edif.rx_rekey_cnt, fcport->loop_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define QLA_SA_UPDATE_FLAGS_RX_KEY 0x0
|
|
#define QLA_SA_UPDATE_FLAGS_TX_KEY 0x2
|
|
|
|
int
|
|
qla24xx_sadb_update(struct bsg_job *bsg_job)
|
|
{
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
|
|
scsi_qla_host_t *vha = shost_priv(host);
|
|
fc_port_t *fcport = NULL;
|
|
srb_t *sp = NULL;
|
|
struct edif_list_entry *edif_entry = NULL;
|
|
int found = 0;
|
|
int rval = 0;
|
|
int result = 0;
|
|
struct qla_sa_update_frame sa_frame;
|
|
struct srb_iocb *iocb_cmd;
|
|
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d,
|
|
"%s entered, vha: 0x%p\n", __func__, vha);
|
|
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, &sa_frame,
|
|
sizeof(struct qla_sa_update_frame));
|
|
|
|
/* Check if host is online */
|
|
if (!vha->flags.online) {
|
|
ql_log(ql_log_warn, vha, 0x70a1, "Host is not online\n");
|
|
rval = -EIO;
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
}
|
|
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
ql_log(ql_log_warn, vha, 0x70a1, "App not started\n");
|
|
rval = -EIO;
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
}
|
|
|
|
fcport = qla2x00_find_fcport_by_pid(vha, &sa_frame.port_id);
|
|
if (fcport) {
|
|
found = 1;
|
|
if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_TX_KEY)
|
|
fcport->edif.tx_bytes = 0;
|
|
if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_RX_KEY)
|
|
fcport->edif.rx_bytes = 0;
|
|
}
|
|
|
|
if (!found) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70a3, "Failed to find port= %06x\n",
|
|
sa_frame.port_id.b24);
|
|
rval = -EINVAL;
|
|
SET_DID_STATUS(bsg_reply->result, DID_TARGET_FAILURE);
|
|
goto done;
|
|
}
|
|
|
|
/* make sure the nport_handle is valid */
|
|
if (fcport->loop_id == FC_NO_LOOP_ID) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e1,
|
|
"%s: %8phN lid=FC_NO_LOOP_ID, spi: 0x%x, DS %d, returning NO_CONNECT\n",
|
|
__func__, fcport->port_name, sa_frame.spi,
|
|
fcport->disc_state);
|
|
rval = -EINVAL;
|
|
SET_DID_STATUS(bsg_reply->result, DID_NO_CONNECT);
|
|
goto done;
|
|
}
|
|
|
|
/* allocate and queue an sa_ctl */
|
|
result = qla24xx_check_sadb_avail_slot(bsg_job, fcport, &sa_frame);
|
|
|
|
/* failure of bsg */
|
|
if (result == INVALID_EDIF_SA_INDEX) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e1,
|
|
"%s: %8phN, skipping update.\n",
|
|
__func__, fcport->port_name);
|
|
rval = -EINVAL;
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
|
|
/* rx delete failure */
|
|
} else if (result == RX_DELETE_NO_EDIF_SA_INDEX) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e1,
|
|
"%s: %8phN, skipping rx delete.\n",
|
|
__func__, fcport->port_name);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
goto done;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e1,
|
|
"%s: %8phN, sa_index in sa_frame: %d flags %xh\n",
|
|
__func__, fcport->port_name, sa_frame.fast_sa_index,
|
|
sa_frame.flags);
|
|
|
|
/* looking for rx index and delete */
|
|
if (((sa_frame.flags & SAU_FLG_TX) == 0) &&
|
|
(sa_frame.flags & SAU_FLG_INV)) {
|
|
uint16_t nport_handle = fcport->loop_id;
|
|
uint16_t sa_index = sa_frame.fast_sa_index;
|
|
|
|
/*
|
|
* make sure we have an existing rx key, otherwise just process
|
|
* this as a straight delete just like TX
|
|
* This is NOT a normal case, it indicates an error recovery or key cleanup
|
|
* by the ipsec code above us.
|
|
*/
|
|
edif_entry = qla_edif_list_find_sa_index(fcport, fcport->loop_id);
|
|
if (!edif_entry) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: WARNING: no active sa_index for nport_handle 0x%x, forcing delete for sa_index 0x%x\n",
|
|
__func__, fcport->loop_id, sa_index);
|
|
goto force_rx_delete;
|
|
}
|
|
|
|
/*
|
|
* if we have a forced delete for rx, remove the sa_index from the edif list
|
|
* and proceed with normal delete. The rx delay timer should not be running
|
|
*/
|
|
if ((sa_frame.flags & SAU_FLG_FORCE_DELETE) == SAU_FLG_FORCE_DELETE) {
|
|
qla_edif_list_delete_sa_index(fcport, edif_entry);
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: FORCE DELETE flag found for nport_handle 0x%x, sa_index 0x%x, forcing DELETE\n",
|
|
__func__, fcport->loop_id, sa_index);
|
|
kfree(edif_entry);
|
|
goto force_rx_delete;
|
|
}
|
|
|
|
/*
|
|
* delayed rx delete
|
|
*
|
|
* if delete_sa_index is not invalid then there is already
|
|
* a delayed index in progress, return bsg bad status
|
|
*/
|
|
if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) {
|
|
struct edif_sa_ctl *sa_ctl;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: delete for lid 0x%x, delete_sa_index %d is pending\n",
|
|
__func__, edif_entry->handle, edif_entry->delete_sa_index);
|
|
|
|
/* free up the sa_ctl that was allocated with the sa_index */
|
|
sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, sa_index,
|
|
(sa_frame.flags & SAU_FLG_TX));
|
|
if (sa_ctl) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_ctl for index %d\n",
|
|
__func__, sa_ctl->index);
|
|
qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index);
|
|
}
|
|
|
|
/* release the sa_index */
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_index %d, nph: 0x%x\n",
|
|
__func__, sa_index, nport_handle);
|
|
qla_edif_sadb_delete_sa_index(fcport, nport_handle, sa_index);
|
|
|
|
rval = -EINVAL;
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
goto done;
|
|
}
|
|
|
|
fcport->edif.rekey_cnt++;
|
|
|
|
/* configure and start the rx delay timer */
|
|
edif_entry->fcport = fcport;
|
|
edif_entry->timer.expires = jiffies + RX_DELAY_DELETE_TIMEOUT * HZ;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: adding timer, entry: %p, delete sa_index %d, lid 0x%x to edif_list\n",
|
|
__func__, edif_entry, sa_index, nport_handle);
|
|
|
|
/*
|
|
* Start the timer when we queue the delayed rx delete.
|
|
* This is an activity timer that goes off if we have not
|
|
* received packets with the new sa_index
|
|
*/
|
|
add_timer(&edif_entry->timer);
|
|
|
|
/*
|
|
* sa_delete for rx key with an active rx key including this one
|
|
* add the delete rx sa index to the hash so we can look for it
|
|
* in the rsp queue. Do this after making any changes to the
|
|
* edif_entry as part of the rx delete.
|
|
*/
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: delete sa_index %d, lid 0x%x to edif_list. bsg done ptr %p\n",
|
|
__func__, sa_index, nport_handle, bsg_job);
|
|
|
|
edif_entry->delete_sa_index = sa_index;
|
|
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
bsg_reply->result = DID_OK << 16;
|
|
|
|
goto done;
|
|
|
|
/*
|
|
* rx index and update
|
|
* add the index to the list and continue with normal update
|
|
*/
|
|
} else if (((sa_frame.flags & SAU_FLG_TX) == 0) &&
|
|
((sa_frame.flags & SAU_FLG_INV) == 0)) {
|
|
/* sa_update for rx key */
|
|
uint32_t nport_handle = fcport->loop_id;
|
|
uint16_t sa_index = sa_frame.fast_sa_index;
|
|
int result;
|
|
|
|
/*
|
|
* add the update rx sa index to the hash so we can look for it
|
|
* in the rsp queue and continue normally
|
|
*/
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: adding update sa_index %d, lid 0x%x to edif_list\n",
|
|
__func__, sa_index, nport_handle);
|
|
|
|
result = qla_edif_list_add_sa_update_index(fcport, sa_index,
|
|
nport_handle);
|
|
if (result) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: SA_UPDATE failed to add new sa index %d to list for lid 0x%x\n",
|
|
__func__, sa_index, nport_handle);
|
|
}
|
|
}
|
|
if (sa_frame.flags & SAU_FLG_GMAC_MODE)
|
|
fcport->edif.aes_gmac = 1;
|
|
else
|
|
fcport->edif.aes_gmac = 0;
|
|
|
|
force_rx_delete:
|
|
/*
|
|
* sa_update for both rx and tx keys, sa_delete for tx key
|
|
* immediately process the request
|
|
*/
|
|
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
|
|
if (!sp) {
|
|
rval = -ENOMEM;
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
goto done;
|
|
}
|
|
|
|
sp->type = SRB_SA_UPDATE;
|
|
sp->name = "bsg_sa_update";
|
|
sp->u.bsg_job = bsg_job;
|
|
/* sp->free = qla2x00_bsg_sp_free; */
|
|
sp->free = qla2x00_rel_sp;
|
|
sp->done = qla2x00_bsg_job_done;
|
|
iocb_cmd = &sp->u.iocb_cmd;
|
|
iocb_cmd->u.sa_update.sa_frame = sa_frame;
|
|
|
|
rval = qla2x00_start_sp(sp);
|
|
if (rval != QLA_SUCCESS) {
|
|
ql_log(ql_dbg_edif, vha, 0x70e3,
|
|
"qla2x00_start_sp failed=%d.\n", rval);
|
|
|
|
qla2x00_rel_sp(sp);
|
|
rval = -EIO;
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
goto done;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: %s sent, hdl=%x, portid=%06x.\n",
|
|
__func__, sp->name, sp->handle, fcport->d_id.b24);
|
|
|
|
fcport->edif.rekey_cnt++;
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
SET_DID_STATUS(bsg_reply->result, DID_OK);
|
|
|
|
return 0;
|
|
|
|
/*
|
|
* send back error status
|
|
*/
|
|
done:
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s:status: FAIL, result: 0x%x, bsg ptr done %p\n",
|
|
__func__, bsg_reply->result, bsg_job);
|
|
bsg_job_done(bsg_job, bsg_reply->result,
|
|
bsg_reply->reply_payload_rcv_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
qla_enode_free(scsi_qla_host_t *vha, struct enode *node)
|
|
{
|
|
node->ntype = N_UNDEF;
|
|
kfree(node);
|
|
}
|
|
|
|
/**
|
|
* qla_enode_init - initialize enode structs & lock
|
|
* @vha: host adapter pointer
|
|
*
|
|
* should only be called when driver attaching
|
|
*/
|
|
void
|
|
qla_enode_init(scsi_qla_host_t *vha)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
char name[32];
|
|
|
|
if (vha->pur_cinfo.enode_flags == ENODE_ACTIVE) {
|
|
/* list still active - error */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102, "%s enode still active\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
/* initialize lock which protects pur_core & init list */
|
|
spin_lock_init(&vha->pur_cinfo.pur_lock);
|
|
INIT_LIST_HEAD(&vha->pur_cinfo.head);
|
|
|
|
snprintf(name, sizeof(name), "%s_%d_purex", QLA2XXX_DRIVER_NAME,
|
|
ha->pdev->device);
|
|
}
|
|
|
|
/**
|
|
* qla_enode_stop - stop and clear and enode data
|
|
* @vha: host adapter pointer
|
|
*
|
|
* called when app notified it is exiting
|
|
*/
|
|
void
|
|
qla_enode_stop(scsi_qla_host_t *vha)
|
|
{
|
|
unsigned long flags;
|
|
struct enode *node, *q;
|
|
|
|
if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
|
|
/* doorbell list not enabled */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s enode not active\n", __func__);
|
|
return;
|
|
}
|
|
|
|
/* grab lock so list doesn't move */
|
|
spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
|
|
|
|
vha->pur_cinfo.enode_flags &= ~ENODE_ACTIVE; /* mark it not active */
|
|
|
|
/* hopefully this is a null list at this point */
|
|
list_for_each_entry_safe(node, q, &vha->pur_cinfo.head, list) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x910f,
|
|
"%s freeing enode type=%x, cnt=%x\n", __func__, node->ntype,
|
|
node->dinfo.nodecnt);
|
|
list_del_init(&node->list);
|
|
qla_enode_free(vha, node);
|
|
}
|
|
spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
|
|
}
|
|
|
|
/*
|
|
* allocate enode struct and populate buffer
|
|
* returns: enode pointer with buffers
|
|
* NULL on error
|
|
*/
|
|
static struct enode *
|
|
qla_enode_alloc(scsi_qla_host_t *vha, uint32_t ntype)
|
|
{
|
|
struct enode *node;
|
|
struct purexevent *purex;
|
|
|
|
node = kzalloc(RX_ELS_SIZE, GFP_ATOMIC);
|
|
if (!node)
|
|
return NULL;
|
|
|
|
purex = &node->u.purexinfo;
|
|
purex->msgp = (u8 *)(node + 1);
|
|
purex->msgp_len = ELS_MAX_PAYLOAD;
|
|
|
|
node->ntype = ntype;
|
|
INIT_LIST_HEAD(&node->list);
|
|
return node;
|
|
}
|
|
|
|
static void
|
|
qla_enode_add(scsi_qla_host_t *vha, struct enode *ptr)
|
|
{
|
|
unsigned long flags;
|
|
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x9109,
|
|
"%s add enode for type=%x, cnt=%x\n",
|
|
__func__, ptr->ntype, ptr->dinfo.nodecnt);
|
|
|
|
spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
|
|
list_add_tail(&ptr->list, &vha->pur_cinfo.head);
|
|
spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
|
|
|
|
return;
|
|
}
|
|
|
|
static struct enode *
|
|
qla_enode_find(scsi_qla_host_t *vha, uint32_t ntype, uint32_t p1, uint32_t p2)
|
|
{
|
|
struct enode *node_rtn = NULL;
|
|
struct enode *list_node = NULL;
|
|
unsigned long flags;
|
|
struct list_head *pos, *q;
|
|
uint32_t sid;
|
|
uint32_t rw_flag;
|
|
struct purexevent *purex;
|
|
|
|
/* secure the list from moving under us */
|
|
spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
|
|
|
|
list_for_each_safe(pos, q, &vha->pur_cinfo.head) {
|
|
list_node = list_entry(pos, struct enode, list);
|
|
|
|
/* node type determines what p1 and p2 are */
|
|
purex = &list_node->u.purexinfo;
|
|
sid = p1;
|
|
rw_flag = p2;
|
|
|
|
if (purex->pur_info.pur_sid.b24 == sid) {
|
|
if (purex->pur_info.pur_pend == 1 &&
|
|
rw_flag == PUR_GET) {
|
|
/*
|
|
* if the receive is in progress
|
|
* and its a read/get then can't
|
|
* transfer yet
|
|
*/
|
|
ql_dbg(ql_dbg_edif, vha, 0x9106,
|
|
"%s purex xfer in progress for sid=%x\n",
|
|
__func__, sid);
|
|
} else {
|
|
/* found it and its complete */
|
|
node_rtn = list_node;
|
|
list_del(pos);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
|
|
|
|
return node_rtn;
|
|
}
|
|
|
|
/**
|
|
* qla_pur_get_pending - read/return authentication message sent
|
|
* from remote port
|
|
* @vha: host adapter pointer
|
|
* @fcport: session pointer
|
|
* @bsg_job: user request where the message is copy to.
|
|
*/
|
|
static int
|
|
qla_pur_get_pending(scsi_qla_host_t *vha, fc_port_t *fcport,
|
|
struct bsg_job *bsg_job)
|
|
{
|
|
struct enode *ptr;
|
|
struct purexevent *purex;
|
|
struct qla_bsg_auth_els_reply *rpl =
|
|
(struct qla_bsg_auth_els_reply *)bsg_job->reply;
|
|
|
|
bsg_job->reply_len = sizeof(*rpl);
|
|
|
|
ptr = qla_enode_find(vha, N_PUREX, fcport->d_id.b24, PUR_GET);
|
|
if (!ptr) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x9111,
|
|
"%s no enode data found for %8phN sid=%06x\n",
|
|
__func__, fcport->port_name, fcport->d_id.b24);
|
|
SET_DID_STATUS(rpl->r.result, DID_IMM_RETRY);
|
|
return -EIO;
|
|
}
|
|
|
|
/*
|
|
* enode is now off the linked list and is ours to deal with
|
|
*/
|
|
purex = &ptr->u.purexinfo;
|
|
|
|
/* Copy info back to caller */
|
|
rpl->rx_xchg_address = purex->pur_info.pur_rx_xchg_address;
|
|
|
|
SET_DID_STATUS(rpl->r.result, DID_OK);
|
|
rpl->r.reply_payload_rcv_len =
|
|
sg_pcopy_from_buffer(bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, purex->msgp,
|
|
purex->pur_info.pur_bytes_rcvd, 0);
|
|
|
|
/* data copy / passback completed - destroy enode */
|
|
qla_enode_free(vha, ptr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* it is assume qpair lock is held */
|
|
static int
|
|
qla_els_reject_iocb(scsi_qla_host_t *vha, struct qla_qpair *qp,
|
|
struct qla_els_pt_arg *a)
|
|
{
|
|
struct els_entry_24xx *els_iocb;
|
|
|
|
els_iocb = __qla2x00_alloc_iocbs(qp, NULL);
|
|
if (!els_iocb) {
|
|
ql_log(ql_log_warn, vha, 0x700c,
|
|
"qla2x00_alloc_iocbs failed.\n");
|
|
return QLA_FUNCTION_FAILED;
|
|
}
|
|
|
|
qla_els_pt_iocb(vha, els_iocb, a);
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x0183,
|
|
"Sending ELS reject...\n");
|
|
ql_dump_buffer(ql_dbg_edif + ql_dbg_verbose, vha, 0x0185,
|
|
vha->hw->elsrej.c, sizeof(*vha->hw->elsrej.c));
|
|
/* flush iocb to mem before notifying hw doorbell */
|
|
wmb();
|
|
qla2x00_start_iocbs(vha, qp->req);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
qla_edb_init(scsi_qla_host_t *vha)
|
|
{
|
|
if (vha->e_dbell.db_flags == EDB_ACTIVE) {
|
|
/* list already init'd - error */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"edif db already initialized, cannot reinit\n");
|
|
return;
|
|
}
|
|
|
|
/* initialize lock which protects doorbell & init list */
|
|
spin_lock_init(&vha->e_dbell.db_lock);
|
|
INIT_LIST_HEAD(&vha->e_dbell.head);
|
|
|
|
/* create and initialize doorbell */
|
|
init_completion(&vha->e_dbell.dbell);
|
|
}
|
|
|
|
static void
|
|
qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node)
|
|
{
|
|
/*
|
|
* releases the space held by this edb node entry
|
|
* this function does _not_ free the edb node itself
|
|
* NB: the edb node entry passed should not be on any list
|
|
*
|
|
* currently for doorbell there's no additional cleanup
|
|
* needed, but here as a placeholder for furture use.
|
|
*/
|
|
|
|
if (!node) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x09122,
|
|
"%s error - no valid node passed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
node->ntype = N_UNDEF;
|
|
}
|
|
|
|
/* function called when app is stopping */
|
|
|
|
void
|
|
qla_edb_stop(scsi_qla_host_t *vha)
|
|
{
|
|
unsigned long flags;
|
|
struct edb_node *node, *q;
|
|
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
/* doorbell list not enabled */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s doorbell not enabled\n", __func__);
|
|
return;
|
|
}
|
|
|
|
/* grab lock so list doesn't move */
|
|
spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
|
|
|
|
vha->e_dbell.db_flags &= ~EDB_ACTIVE; /* mark it not active */
|
|
/* hopefully this is a null list at this point */
|
|
list_for_each_entry_safe(node, q, &vha->e_dbell.head, list) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x910f,
|
|
"%s freeing edb_node type=%x\n",
|
|
__func__, node->ntype);
|
|
qla_edb_node_free(vha, node);
|
|
list_del(&node->list);
|
|
|
|
kfree(node);
|
|
}
|
|
spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
|
|
|
|
/* wake up doorbell waiters - they'll be dismissed with error code */
|
|
complete_all(&vha->e_dbell.dbell);
|
|
}
|
|
|
|
static struct edb_node *
|
|
qla_edb_node_alloc(scsi_qla_host_t *vha, uint32_t ntype)
|
|
{
|
|
struct edb_node *node;
|
|
|
|
node = kzalloc(sizeof(*node), GFP_ATOMIC);
|
|
if (!node) {
|
|
/* couldn't get space */
|
|
ql_dbg(ql_dbg_edif, vha, 0x9100,
|
|
"edb node unable to be allocated\n");
|
|
return NULL;
|
|
}
|
|
|
|
node->ntype = ntype;
|
|
INIT_LIST_HEAD(&node->list);
|
|
return node;
|
|
}
|
|
|
|
/* adds a already allocated enode to the linked list */
|
|
static bool
|
|
qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
/* doorbell list not enabled */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s doorbell not enabled\n", __func__);
|
|
return false;
|
|
}
|
|
|
|
spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
|
|
list_add_tail(&ptr->list, &vha->e_dbell.head);
|
|
spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
|
|
|
|
/* ring doorbell for waiters */
|
|
complete(&vha->e_dbell.dbell);
|
|
|
|
return true;
|
|
}
|
|
|
|
/* adds event to doorbell list */
|
|
void
|
|
qla_edb_eventcreate(scsi_qla_host_t *vha, uint32_t dbtype,
|
|
uint32_t data, uint32_t data2, fc_port_t *sfcport)
|
|
{
|
|
struct edb_node *edbnode;
|
|
fc_port_t *fcport = sfcport;
|
|
port_id_t id;
|
|
|
|
if (!vha->hw->flags.edif_enabled) {
|
|
/* edif not enabled */
|
|
return;
|
|
}
|
|
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
if (fcport)
|
|
fcport->edif.auth_state = dbtype;
|
|
/* doorbell list not enabled */
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s doorbell not enabled (type=%d\n", __func__, dbtype);
|
|
return;
|
|
}
|
|
|
|
edbnode = qla_edb_node_alloc(vha, dbtype);
|
|
if (!edbnode) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s unable to alloc db node\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (!fcport) {
|
|
id.b.domain = (data >> 16) & 0xff;
|
|
id.b.area = (data >> 8) & 0xff;
|
|
id.b.al_pa = data & 0xff;
|
|
ql_dbg(ql_dbg_edif, vha, 0x09222,
|
|
"%s: Arrived s_id: %06x\n", __func__,
|
|
id.b24);
|
|
fcport = qla2x00_find_fcport_by_pid(vha, &id);
|
|
if (!fcport) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s can't find fcport for sid= 0x%x - ignoring\n",
|
|
__func__, id.b24);
|
|
kfree(edbnode);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* populate the edb node */
|
|
switch (dbtype) {
|
|
case VND_CMD_AUTH_STATE_NEEDED:
|
|
case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
|
|
edbnode->u.plogi_did.b24 = fcport->d_id.b24;
|
|
break;
|
|
case VND_CMD_AUTH_STATE_ELS_RCVD:
|
|
edbnode->u.els_sid.b24 = fcport->d_id.b24;
|
|
break;
|
|
case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
|
|
edbnode->u.sa_aen.port_id = fcport->d_id;
|
|
edbnode->u.sa_aen.status = data;
|
|
edbnode->u.sa_aen.key_type = data2;
|
|
break;
|
|
default:
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s unknown type: %x\n", __func__, dbtype);
|
|
qla_edb_node_free(vha, edbnode);
|
|
kfree(edbnode);
|
|
edbnode = NULL;
|
|
break;
|
|
}
|
|
|
|
if (edbnode && (!qla_edb_node_add(vha, edbnode))) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s unable to add dbnode\n", __func__);
|
|
qla_edb_node_free(vha, edbnode);
|
|
kfree(edbnode);
|
|
return;
|
|
}
|
|
if (edbnode && fcport)
|
|
fcport->edif.auth_state = dbtype;
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode);
|
|
}
|
|
|
|
static struct edb_node *
|
|
qla_edb_getnext(scsi_qla_host_t *vha)
|
|
{
|
|
unsigned long flags;
|
|
struct edb_node *edbnode = NULL;
|
|
|
|
spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
|
|
|
|
/* db nodes are fifo - no qualifications done */
|
|
if (!list_empty(&vha->e_dbell.head)) {
|
|
edbnode = list_first_entry(&vha->e_dbell.head,
|
|
struct edb_node, list);
|
|
list_del(&edbnode->list);
|
|
}
|
|
|
|
spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
|
|
|
|
return edbnode;
|
|
}
|
|
|
|
void
|
|
qla_edif_timer(scsi_qla_host_t *vha)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
if (!vha->vp_idx && N2N_TOPO(ha) && ha->flags.n2n_fw_acc_sec) {
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE &&
|
|
ha->edif_post_stop_cnt_down) {
|
|
ha->edif_post_stop_cnt_down--;
|
|
|
|
/*
|
|
* turn off auto 'Plogi Acc + secure=1' feature
|
|
* Set Add FW option[3]
|
|
* BIT_15, if.
|
|
*/
|
|
if (ha->edif_post_stop_cnt_down == 0) {
|
|
ql_dbg(ql_dbg_async, vha, 0x911d,
|
|
"%s chip reset to turn off PLOGI ACC + secure\n",
|
|
__func__);
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
}
|
|
} else {
|
|
ha->edif_post_stop_cnt_down = 60;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* app uses separate thread to read this. It'll wait until the doorbell
|
|
* is rung by the driver or the max wait time has expired
|
|
*/
|
|
ssize_t
|
|
edif_doorbell_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
|
|
struct edb_node *dbnode = NULL;
|
|
struct edif_app_dbell *ap = (struct edif_app_dbell *)buf;
|
|
uint32_t dat_siz, buf_size, sz;
|
|
|
|
/* TODO: app currently hardcoded to 256. Will transition to bsg */
|
|
sz = 256;
|
|
|
|
/* stop new threads from waiting if we're not init'd */
|
|
if (vha->e_dbell.db_flags != EDB_ACTIVE) {
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122,
|
|
"%s error - edif db not enabled\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
if (!vha->hw->flags.edif_enabled) {
|
|
/* edif not enabled */
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122,
|
|
"%s error - edif not enabled\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
buf_size = 0;
|
|
while ((sz - buf_size) >= sizeof(struct edb_node)) {
|
|
/* remove the next item from the doorbell list */
|
|
dat_siz = 0;
|
|
dbnode = qla_edb_getnext(vha);
|
|
if (dbnode) {
|
|
ap->event_code = dbnode->ntype;
|
|
switch (dbnode->ntype) {
|
|
case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
|
|
case VND_CMD_AUTH_STATE_NEEDED:
|
|
ap->port_id = dbnode->u.plogi_did;
|
|
dat_siz += sizeof(ap->port_id);
|
|
break;
|
|
case VND_CMD_AUTH_STATE_ELS_RCVD:
|
|
ap->port_id = dbnode->u.els_sid;
|
|
dat_siz += sizeof(ap->port_id);
|
|
break;
|
|
case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
|
|
ap->port_id = dbnode->u.sa_aen.port_id;
|
|
memcpy(ap->event_data, &dbnode->u,
|
|
sizeof(struct edif_sa_update_aen));
|
|
dat_siz += sizeof(struct edif_sa_update_aen);
|
|
break;
|
|
default:
|
|
/* unknown node type, rtn unknown ntype */
|
|
ap->event_code = VND_CMD_AUTH_STATE_UNDEF;
|
|
memcpy(ap->event_data, &dbnode->ntype, 4);
|
|
dat_siz += 4;
|
|
break;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x09102,
|
|
"%s Doorbell consumed : type=%d %p\n",
|
|
__func__, dbnode->ntype, dbnode);
|
|
/* we're done with the db node, so free it up */
|
|
qla_edb_node_free(vha, dbnode);
|
|
kfree(dbnode);
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
ap->event_data_size = dat_siz;
|
|
/* 8bytes = ap->event_code + ap->event_data_size */
|
|
buf_size += dat_siz + 8;
|
|
ap = (struct edif_app_dbell *)(buf + buf_size);
|
|
}
|
|
return buf_size;
|
|
}
|
|
|
|
static void qla_noop_sp_done(srb_t *sp, int res)
|
|
{
|
|
sp->free(sp);
|
|
}
|
|
|
|
/*
|
|
* Called from work queue
|
|
* build and send the sa_update iocb to delete an rx sa_index
|
|
*/
|
|
int
|
|
qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e)
|
|
{
|
|
srb_t *sp;
|
|
fc_port_t *fcport = NULL;
|
|
struct srb_iocb *iocb_cmd = NULL;
|
|
int rval = QLA_SUCCESS;
|
|
struct edif_sa_ctl *sa_ctl = e->u.sa_update.sa_ctl;
|
|
uint16_t nport_handle = e->u.sa_update.nport_handle;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e6,
|
|
"%s: starting, sa_ctl: %p\n", __func__, sa_ctl);
|
|
|
|
if (!sa_ctl) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e6,
|
|
"sa_ctl allocation failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
fcport = sa_ctl->fcport;
|
|
|
|
/* Alloc SRB structure */
|
|
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
|
|
if (!sp) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e6,
|
|
"SRB allocation failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
fcport->flags |= FCF_ASYNC_SENT;
|
|
iocb_cmd = &sp->u.iocb_cmd;
|
|
iocb_cmd->u.sa_update.sa_ctl = sa_ctl;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3073,
|
|
"Enter: SA REPL portid=%06x, sa_ctl %p, index %x, nport_handle: 0x%x\n",
|
|
fcport->d_id.b24, sa_ctl, sa_ctl->index, nport_handle);
|
|
/*
|
|
* if this is a sadb cleanup delete, mark it so the isr can
|
|
* take the correct action
|
|
*/
|
|
if (sa_ctl->flags & EDIF_SA_CTL_FLG_CLEANUP_DEL) {
|
|
/* mark this srb as a cleanup delete */
|
|
sp->flags |= SRB_EDIF_CLEANUP_DELETE;
|
|
ql_dbg(ql_dbg_edif, vha, 0x70e6,
|
|
"%s: sp 0x%p flagged as cleanup delete\n", __func__, sp);
|
|
}
|
|
|
|
sp->type = SRB_SA_REPLACE;
|
|
sp->name = "SA_REPLACE";
|
|
sp->fcport = fcport;
|
|
sp->free = qla2x00_rel_sp;
|
|
sp->done = qla_noop_sp_done;
|
|
|
|
rval = qla2x00_start_sp(sp);
|
|
|
|
if (rval != QLA_SUCCESS)
|
|
rval = QLA_FUNCTION_FAILED;
|
|
|
|
return rval;
|
|
}
|
|
|
|
void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb)
|
|
{
|
|
int itr = 0;
|
|
struct scsi_qla_host *vha = sp->vha;
|
|
struct qla_sa_update_frame *sa_frame =
|
|
&sp->u.iocb_cmd.u.sa_update.sa_frame;
|
|
u8 flags = 0;
|
|
|
|
switch (sa_frame->flags & (SAU_FLG_INV | SAU_FLG_TX)) {
|
|
case 0:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, sa_frame->fast_sa_index);
|
|
break;
|
|
case 1:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, sa_frame->fast_sa_index);
|
|
flags |= SA_FLAG_INVALIDATE;
|
|
break;
|
|
case 2:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, sa_frame->fast_sa_index);
|
|
flags |= SA_FLAG_TX;
|
|
break;
|
|
case 3:
|
|
ql_dbg(ql_dbg_edif, vha, 0x911d,
|
|
"%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, sa_frame->fast_sa_index);
|
|
flags |= SA_FLAG_TX | SA_FLAG_INVALIDATE;
|
|
break;
|
|
}
|
|
|
|
sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE;
|
|
sa_update_iocb->entry_count = 1;
|
|
sa_update_iocb->sys_define = 0;
|
|
sa_update_iocb->entry_status = 0;
|
|
sa_update_iocb->handle = sp->handle;
|
|
sa_update_iocb->u.nport_handle = cpu_to_le16(sp->fcport->loop_id);
|
|
sa_update_iocb->vp_index = sp->fcport->vha->vp_idx;
|
|
sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
|
|
sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area;
|
|
sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain;
|
|
|
|
sa_update_iocb->flags = flags;
|
|
sa_update_iocb->salt = cpu_to_le32(sa_frame->salt);
|
|
sa_update_iocb->spi = cpu_to_le32(sa_frame->spi);
|
|
sa_update_iocb->sa_index = cpu_to_le16(sa_frame->fast_sa_index);
|
|
|
|
sa_update_iocb->sa_control |= SA_CNTL_ENC_FCSP;
|
|
if (sp->fcport->edif.aes_gmac)
|
|
sa_update_iocb->sa_control |= SA_CNTL_AES_GMAC;
|
|
|
|
if (sa_frame->flags & SAU_FLG_KEY256) {
|
|
sa_update_iocb->sa_control |= SA_CNTL_KEY256;
|
|
for (itr = 0; itr < 32; itr++)
|
|
sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr];
|
|
} else {
|
|
sa_update_iocb->sa_control |= SA_CNTL_KEY128;
|
|
for (itr = 0; itr < 16; itr++)
|
|
sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr];
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x921d,
|
|
"%s SAU Port ID = %02x%02x%02x, flags=%xh, index=%u, ctl=%xh, SPI 0x%x flags 0x%x hdl=%x gmac %d\n",
|
|
__func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1],
|
|
sa_update_iocb->port_id[0], sa_update_iocb->flags, sa_update_iocb->sa_index,
|
|
sa_update_iocb->sa_control, sa_update_iocb->spi, sa_frame->flags, sp->handle,
|
|
sp->fcport->edif.aes_gmac);
|
|
|
|
if (sa_frame->flags & SAU_FLG_TX)
|
|
sp->fcport->edif.tx_sa_pending = 1;
|
|
else
|
|
sp->fcport->edif.rx_sa_pending = 1;
|
|
|
|
sp->fcport->vha->qla_stats.control_requests++;
|
|
}
|
|
|
|
void
|
|
qla24xx_sa_replace_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb)
|
|
{
|
|
struct scsi_qla_host *vha = sp->vha;
|
|
struct srb_iocb *srb_iocb = &sp->u.iocb_cmd;
|
|
struct edif_sa_ctl *sa_ctl = srb_iocb->u.sa_update.sa_ctl;
|
|
uint16_t nport_handle = sp->fcport->loop_id;
|
|
|
|
sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE;
|
|
sa_update_iocb->entry_count = 1;
|
|
sa_update_iocb->sys_define = 0;
|
|
sa_update_iocb->entry_status = 0;
|
|
sa_update_iocb->handle = sp->handle;
|
|
|
|
sa_update_iocb->u.nport_handle = cpu_to_le16(nport_handle);
|
|
|
|
sa_update_iocb->vp_index = sp->fcport->vha->vp_idx;
|
|
sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
|
|
sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area;
|
|
sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain;
|
|
|
|
/* Invalidate the index. salt, spi, control & key are ignore */
|
|
sa_update_iocb->flags = SA_FLAG_INVALIDATE;
|
|
sa_update_iocb->salt = 0;
|
|
sa_update_iocb->spi = 0;
|
|
sa_update_iocb->sa_index = cpu_to_le16(sa_ctl->index);
|
|
sa_update_iocb->sa_control = 0;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x921d,
|
|
"%s SAU DELETE RX Port ID = %02x:%02x:%02x, lid %d flags=%xh, index=%u, hdl=%x\n",
|
|
__func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1],
|
|
sa_update_iocb->port_id[0], nport_handle, sa_update_iocb->flags,
|
|
sa_update_iocb->sa_index, sp->handle);
|
|
|
|
sp->fcport->vha->qla_stats.control_requests++;
|
|
}
|
|
|
|
void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp)
|
|
{
|
|
struct purex_entry_24xx *p = *pkt;
|
|
struct enode *ptr;
|
|
int sid;
|
|
u16 totlen;
|
|
struct purexevent *purex;
|
|
struct scsi_qla_host *host = NULL;
|
|
int rc;
|
|
struct fc_port *fcport;
|
|
struct qla_els_pt_arg a;
|
|
be_id_t beid;
|
|
|
|
memset(&a, 0, sizeof(a));
|
|
|
|
a.els_opcode = ELS_AUTH_ELS;
|
|
a.nport_handle = p->nport_handle;
|
|
a.rx_xchg_address = p->rx_xchg_addr;
|
|
a.did.b.domain = p->s_id[2];
|
|
a.did.b.area = p->s_id[1];
|
|
a.did.b.al_pa = p->s_id[0];
|
|
a.tx_byte_count = a.tx_len = sizeof(struct fc_els_ls_rjt);
|
|
a.tx_addr = vha->hw->elsrej.cdma;
|
|
a.vp_idx = vha->vp_idx;
|
|
a.control_flags = EPD_ELS_RJT;
|
|
|
|
sid = p->s_id[0] | (p->s_id[1] << 8) | (p->s_id[2] << 16);
|
|
|
|
totlen = (le16_to_cpu(p->frame_size) & 0x0fff) - PURX_ELS_HEADER_SIZE;
|
|
if (le16_to_cpu(p->status_flags) & 0x8000) {
|
|
totlen = le16_to_cpu(p->trunc_frame_size);
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
__qla_consume_iocb(vha, pkt, rsp);
|
|
return;
|
|
}
|
|
|
|
if (totlen > MAX_PAYLOAD) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x0910d,
|
|
"%s WARNING: verbose ELS frame received (totlen=%x)\n",
|
|
__func__, totlen);
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
__qla_consume_iocb(vha, pkt, rsp);
|
|
return;
|
|
}
|
|
|
|
if (!vha->hw->flags.edif_enabled) {
|
|
/* edif support not enabled */
|
|
ql_dbg(ql_dbg_edif, vha, 0x910e, "%s edif not enabled\n",
|
|
__func__);
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
__qla_consume_iocb(vha, pkt, rsp);
|
|
return;
|
|
}
|
|
|
|
ptr = qla_enode_alloc(vha, N_PUREX);
|
|
if (!ptr) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x09109,
|
|
"WARNING: enode alloc failed for sid=%x\n",
|
|
sid);
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
__qla_consume_iocb(vha, pkt, rsp);
|
|
return;
|
|
}
|
|
|
|
purex = &ptr->u.purexinfo;
|
|
purex->pur_info.pur_sid = a.did;
|
|
purex->pur_info.pur_pend = 0;
|
|
purex->pur_info.pur_bytes_rcvd = totlen;
|
|
purex->pur_info.pur_rx_xchg_address = le32_to_cpu(p->rx_xchg_addr);
|
|
purex->pur_info.pur_nphdl = le16_to_cpu(p->nport_handle);
|
|
purex->pur_info.pur_did.b.domain = p->d_id[2];
|
|
purex->pur_info.pur_did.b.area = p->d_id[1];
|
|
purex->pur_info.pur_did.b.al_pa = p->d_id[0];
|
|
purex->pur_info.vp_idx = p->vp_idx;
|
|
|
|
rc = __qla_copy_purex_to_buffer(vha, pkt, rsp, purex->msgp,
|
|
purex->msgp_len);
|
|
if (rc) {
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
qla_enode_free(vha, ptr);
|
|
return;
|
|
}
|
|
beid.al_pa = purex->pur_info.pur_did.b.al_pa;
|
|
beid.area = purex->pur_info.pur_did.b.area;
|
|
beid.domain = purex->pur_info.pur_did.b.domain;
|
|
host = qla_find_host_by_d_id(vha, beid);
|
|
if (!host) {
|
|
ql_log(ql_log_fatal, vha, 0x508b,
|
|
"%s Drop ELS due to unable to find host %06x\n",
|
|
__func__, purex->pur_info.pur_did.b24);
|
|
|
|
qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
|
|
qla_enode_free(vha, ptr);
|
|
return;
|
|
}
|
|
|
|
fcport = qla2x00_find_fcport_by_pid(host, &purex->pur_info.pur_sid);
|
|
|
|
if (host->e_dbell.db_flags != EDB_ACTIVE ||
|
|
(fcport && EDIF_SESSION_DOWN(fcport))) {
|
|
ql_dbg(ql_dbg_edif, host, 0x0910c, "%s e_dbell.db_flags =%x %06x\n",
|
|
__func__, host->e_dbell.db_flags,
|
|
fcport ? fcport->d_id.b24 : 0);
|
|
|
|
qla_els_reject_iocb(host, (*rsp)->qpair, &a);
|
|
qla_enode_free(host, ptr);
|
|
return;
|
|
}
|
|
|
|
/* add the local enode to the list */
|
|
qla_enode_add(host, ptr);
|
|
|
|
ql_dbg(ql_dbg_edif, host, 0x0910c,
|
|
"%s COMPLETE purex->pur_info.pur_bytes_rcvd =%xh s:%06x -> d:%06x xchg=%xh\n",
|
|
__func__, purex->pur_info.pur_bytes_rcvd, purex->pur_info.pur_sid.b24,
|
|
purex->pur_info.pur_did.b24, p->rx_xchg_addr);
|
|
|
|
qla_edb_eventcreate(host, VND_CMD_AUTH_STATE_ELS_RCVD, sid, 0, NULL);
|
|
}
|
|
|
|
static uint16_t qla_edif_get_sa_index_from_freepool(fc_port_t *fcport, int dir)
|
|
{
|
|
struct scsi_qla_host *vha = fcport->vha;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
void *sa_id_map;
|
|
unsigned long flags = 0;
|
|
u16 sa_index;
|
|
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
|
|
"%s: entry\n", __func__);
|
|
|
|
if (dir)
|
|
sa_id_map = ha->edif_tx_sa_id_map;
|
|
else
|
|
sa_id_map = ha->edif_rx_sa_id_map;
|
|
|
|
spin_lock_irqsave(&ha->sadb_fp_lock, flags);
|
|
sa_index = find_first_zero_bit(sa_id_map, EDIF_NUM_SA_INDEX);
|
|
if (sa_index >= EDIF_NUM_SA_INDEX) {
|
|
spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
|
|
return INVALID_EDIF_SA_INDEX;
|
|
}
|
|
set_bit(sa_index, sa_id_map);
|
|
spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
|
|
|
|
if (dir)
|
|
sa_index += EDIF_TX_SA_INDEX_BASE;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: index retrieved from free pool %d\n", __func__, sa_index);
|
|
|
|
return sa_index;
|
|
}
|
|
|
|
/* find an sadb entry for an nport_handle */
|
|
static struct edif_sa_index_entry *
|
|
qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,
|
|
struct list_head *sa_list)
|
|
{
|
|
struct edif_sa_index_entry *entry;
|
|
struct edif_sa_index_entry *tentry;
|
|
struct list_head *indx_list = sa_list;
|
|
|
|
list_for_each_entry_safe(entry, tentry, indx_list, next) {
|
|
if (entry->handle == nport_handle)
|
|
return entry;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* remove an sa_index from the nport_handle and return it to the free pool */
|
|
static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle,
|
|
uint16_t sa_index)
|
|
{
|
|
struct edif_sa_index_entry *entry;
|
|
struct list_head *sa_list;
|
|
int dir = (sa_index < EDIF_TX_SA_INDEX_BASE) ? 0 : 1;
|
|
int slot = 0;
|
|
int free_slot_count = 0;
|
|
scsi_qla_host_t *vha = fcport->vha;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
unsigned long flags = 0;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: entry\n", __func__);
|
|
|
|
if (dir)
|
|
sa_list = &ha->sadb_tx_index_list;
|
|
else
|
|
sa_list = &ha->sadb_rx_index_list;
|
|
|
|
entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list);
|
|
if (!entry) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: no entry found for nport_handle 0x%x\n",
|
|
__func__, nport_handle);
|
|
return -1;
|
|
}
|
|
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
/*
|
|
* each tx/rx direction has up to 2 sa indexes/slots. 1 slot for in flight traffic
|
|
* the other is use at re-key time.
|
|
*/
|
|
for (slot = 0; slot < 2; slot++) {
|
|
if (entry->sa_pair[slot].sa_index == sa_index) {
|
|
entry->sa_pair[slot].sa_index = INVALID_EDIF_SA_INDEX;
|
|
entry->sa_pair[slot].spi = 0;
|
|
free_slot_count++;
|
|
qla_edif_add_sa_index_to_freepool(fcport, dir, sa_index);
|
|
} else if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) {
|
|
free_slot_count++;
|
|
}
|
|
}
|
|
|
|
if (free_slot_count == 2) {
|
|
list_del(&entry->next);
|
|
kfree(entry);
|
|
}
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: sa_index %d removed, free_slot_count: %d\n",
|
|
__func__, sa_index, free_slot_count);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req,
|
|
struct sa_update_28xx *pkt)
|
|
{
|
|
const char *func = "SA_UPDATE_RESPONSE_IOCB";
|
|
srb_t *sp;
|
|
struct edif_sa_ctl *sa_ctl;
|
|
int old_sa_deleted = 1;
|
|
uint16_t nport_handle;
|
|
struct scsi_qla_host *vha;
|
|
|
|
sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
|
|
|
|
if (!sp) {
|
|
ql_dbg(ql_dbg_edif, v, 0x3063,
|
|
"%s: no sp found for pkt\n", __func__);
|
|
return;
|
|
}
|
|
/* use sp->vha due to npiv */
|
|
vha = sp->vha;
|
|
|
|
switch (pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) {
|
|
case 0:
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, pkt->sa_index);
|
|
break;
|
|
case 1:
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, pkt->sa_index);
|
|
break;
|
|
case 2:
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, pkt->sa_index);
|
|
break;
|
|
case 3:
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n",
|
|
__func__, vha, pkt->sa_index);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* dig the nport handle out of the iocb, fcport->loop_id can not be trusted
|
|
* to be correct during cleanup sa_update iocbs.
|
|
*/
|
|
nport_handle = sp->fcport->loop_id;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: %8phN comp status=%x old_sa_info=%x new_sa_info=%x lid %d, index=0x%x pkt_flags %xh hdl=%x\n",
|
|
__func__, sp->fcport->port_name, pkt->u.comp_sts, pkt->old_sa_info, pkt->new_sa_info,
|
|
nport_handle, pkt->sa_index, pkt->flags, sp->handle);
|
|
|
|
/* if rx delete, remove the timer */
|
|
if ((pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) == SA_FLAG_INVALIDATE) {
|
|
struct edif_list_entry *edif_entry;
|
|
|
|
sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
|
|
|
|
edif_entry = qla_edif_list_find_sa_index(sp->fcport, nport_handle);
|
|
if (edif_entry) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x5033,
|
|
"%s: removing edif_entry %p, new sa_index: 0x%x\n",
|
|
__func__, edif_entry, pkt->sa_index);
|
|
qla_edif_list_delete_sa_index(sp->fcport, edif_entry);
|
|
del_timer(&edif_entry->timer);
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x5033,
|
|
"%s: releasing edif_entry %p, new sa_index: 0x%x\n",
|
|
__func__, edif_entry, pkt->sa_index);
|
|
|
|
kfree(edif_entry);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* if this is a delete for either tx or rx, make sure it succeeded.
|
|
* The new_sa_info field should be 0xffff on success
|
|
*/
|
|
if (pkt->flags & SA_FLAG_INVALIDATE)
|
|
old_sa_deleted = (le16_to_cpu(pkt->new_sa_info) == 0xffff) ? 1 : 0;
|
|
|
|
/* Process update and delete the same way */
|
|
|
|
/* If this is an sadb cleanup delete, bypass sending events to IPSEC */
|
|
if (sp->flags & SRB_EDIF_CLEANUP_DELETE) {
|
|
sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: nph 0x%x, sa_index %d removed from fw\n",
|
|
__func__, sp->fcport->loop_id, pkt->sa_index);
|
|
|
|
} else if ((pkt->entry_status == 0) && (pkt->u.comp_sts == 0) &&
|
|
old_sa_deleted) {
|
|
/*
|
|
* Note: Wa are only keeping track of latest SA,
|
|
* so we know when we can start enableing encryption per I/O.
|
|
* If all SA's get deleted, let FW reject the IOCB.
|
|
|
|
* TODO: edif: don't set enabled here I think
|
|
* TODO: edif: prli complete is where it should be set
|
|
*/
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
|
|
"SA(%x)updated for s_id %02x%02x%02x\n",
|
|
pkt->new_sa_info,
|
|
pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]);
|
|
sp->fcport->edif.enable = 1;
|
|
if (pkt->flags & SA_FLAG_TX) {
|
|
sp->fcport->edif.tx_sa_set = 1;
|
|
sp->fcport->edif.tx_sa_pending = 0;
|
|
qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
QL_VND_SA_STAT_SUCCESS,
|
|
QL_VND_TX_SA_KEY, sp->fcport);
|
|
} else {
|
|
sp->fcport->edif.rx_sa_set = 1;
|
|
sp->fcport->edif.rx_sa_pending = 0;
|
|
qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
QL_VND_SA_STAT_SUCCESS,
|
|
QL_VND_RX_SA_KEY, sp->fcport);
|
|
}
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: %8phN SA update FAILED: sa_index: %d, new_sa_info %d, %02x%02x%02x\n",
|
|
__func__, sp->fcport->port_name, pkt->sa_index, pkt->new_sa_info,
|
|
pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]);
|
|
|
|
if (pkt->flags & SA_FLAG_TX)
|
|
qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
(le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED,
|
|
QL_VND_TX_SA_KEY, sp->fcport);
|
|
else
|
|
qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
|
|
(le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED,
|
|
QL_VND_RX_SA_KEY, sp->fcport);
|
|
}
|
|
|
|
/* for delete, release sa_ctl, sa_index */
|
|
if (pkt->flags & SA_FLAG_INVALIDATE) {
|
|
/* release the sa_ctl */
|
|
sa_ctl = qla_edif_find_sa_ctl_by_index(sp->fcport,
|
|
le16_to_cpu(pkt->sa_index), (pkt->flags & SA_FLAG_TX));
|
|
if (sa_ctl &&
|
|
qla_edif_find_sa_ctl_by_index(sp->fcport, sa_ctl->index,
|
|
(pkt->flags & SA_FLAG_TX)) != NULL) {
|
|
ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
|
|
"%s: freeing sa_ctl for index %d\n",
|
|
__func__, sa_ctl->index);
|
|
qla_edif_free_sa_ctl(sp->fcport, sa_ctl, sa_ctl->index);
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: sa_ctl NOT freed, sa_ctl: %p\n",
|
|
__func__, sa_ctl);
|
|
}
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_index %d, nph: 0x%x\n",
|
|
__func__, le16_to_cpu(pkt->sa_index), nport_handle);
|
|
qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle,
|
|
le16_to_cpu(pkt->sa_index));
|
|
/*
|
|
* check for a failed sa_update and remove
|
|
* the sadb entry.
|
|
*/
|
|
} else if (pkt->u.comp_sts) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: freeing sa_index %d, nph: 0x%x\n",
|
|
__func__, pkt->sa_index, nport_handle);
|
|
qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle,
|
|
le16_to_cpu(pkt->sa_index));
|
|
switch (le16_to_cpu(pkt->u.comp_sts)) {
|
|
case CS_PORT_EDIF_UNAVAIL:
|
|
case CS_PORT_EDIF_LOGOUT:
|
|
qlt_schedule_sess_for_deletion(sp->fcport);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
sp->done(sp, 0);
|
|
}
|
|
|
|
/**
|
|
* qla28xx_start_scsi_edif() - Send a SCSI type 6 command to the ISP
|
|
* @sp: command to send to the ISP
|
|
*
|
|
* Return: non-zero if a failure occurred, else zero.
|
|
*/
|
|
int
|
|
qla28xx_start_scsi_edif(srb_t *sp)
|
|
{
|
|
int nseg;
|
|
unsigned long flags;
|
|
struct scsi_cmnd *cmd;
|
|
uint32_t *clr_ptr;
|
|
uint32_t index, i;
|
|
uint32_t handle;
|
|
uint16_t cnt;
|
|
int16_t req_cnt;
|
|
uint16_t tot_dsds;
|
|
__be32 *fcp_dl;
|
|
uint8_t additional_cdb_len;
|
|
struct ct6_dsd *ctx;
|
|
struct scsi_qla_host *vha = sp->vha;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
struct cmd_type_6 *cmd_pkt;
|
|
struct dsd64 *cur_dsd;
|
|
uint8_t avail_dsds = 0;
|
|
struct scatterlist *sg;
|
|
struct req_que *req = sp->qpair->req;
|
|
spinlock_t *lock = sp->qpair->qp_lock_ptr;
|
|
|
|
/* Setup device pointers. */
|
|
cmd = GET_CMD_SP(sp);
|
|
|
|
/* So we know we haven't pci_map'ed anything yet */
|
|
tot_dsds = 0;
|
|
|
|
/* Send marker if required */
|
|
if (vha->marker_needed != 0) {
|
|
if (qla2x00_marker(vha, sp->qpair, 0, 0, MK_SYNC_ALL) !=
|
|
QLA_SUCCESS) {
|
|
ql_log(ql_log_warn, vha, 0x300c,
|
|
"qla2x00_marker failed for cmd=%p.\n", cmd);
|
|
return QLA_FUNCTION_FAILED;
|
|
}
|
|
vha->marker_needed = 0;
|
|
}
|
|
|
|
/* Acquire ring specific lock */
|
|
spin_lock_irqsave(lock, flags);
|
|
|
|
/* Check for room in outstanding command list. */
|
|
handle = req->current_outstanding_cmd;
|
|
for (index = 1; index < req->num_outstanding_cmds; index++) {
|
|
handle++;
|
|
if (handle == req->num_outstanding_cmds)
|
|
handle = 1;
|
|
if (!req->outstanding_cmds[handle])
|
|
break;
|
|
}
|
|
if (index == req->num_outstanding_cmds)
|
|
goto queuing_error;
|
|
|
|
/* Map the sg table so we have an accurate count of sg entries needed */
|
|
if (scsi_sg_count(cmd)) {
|
|
nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
|
|
scsi_sg_count(cmd), cmd->sc_data_direction);
|
|
if (unlikely(!nseg))
|
|
goto queuing_error;
|
|
} else {
|
|
nseg = 0;
|
|
}
|
|
|
|
tot_dsds = nseg;
|
|
req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
|
|
if (req->cnt < (req_cnt + 2)) {
|
|
cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
|
|
rd_reg_dword(req->req_q_out);
|
|
if (req->ring_index < cnt)
|
|
req->cnt = cnt - req->ring_index;
|
|
else
|
|
req->cnt = req->length -
|
|
(req->ring_index - cnt);
|
|
if (req->cnt < (req_cnt + 2))
|
|
goto queuing_error;
|
|
}
|
|
|
|
ctx = sp->u.scmd.ct6_ctx =
|
|
mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
|
|
if (!ctx) {
|
|
ql_log(ql_log_fatal, vha, 0x3010,
|
|
"Failed to allocate ctx for cmd=%p.\n", cmd);
|
|
goto queuing_error;
|
|
}
|
|
|
|
memset(ctx, 0, sizeof(struct ct6_dsd));
|
|
ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool,
|
|
GFP_ATOMIC, &ctx->fcp_cmnd_dma);
|
|
if (!ctx->fcp_cmnd) {
|
|
ql_log(ql_log_fatal, vha, 0x3011,
|
|
"Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
|
|
goto queuing_error;
|
|
}
|
|
|
|
/* Initialize the DSD list and dma handle */
|
|
INIT_LIST_HEAD(&ctx->dsd_list);
|
|
ctx->dsd_use_cnt = 0;
|
|
|
|
if (cmd->cmd_len > 16) {
|
|
additional_cdb_len = cmd->cmd_len - 16;
|
|
if ((cmd->cmd_len % 4) != 0) {
|
|
/*
|
|
* SCSI command bigger than 16 bytes must be
|
|
* multiple of 4
|
|
*/
|
|
ql_log(ql_log_warn, vha, 0x3012,
|
|
"scsi cmd len %d not multiple of 4 for cmd=%p.\n",
|
|
cmd->cmd_len, cmd);
|
|
goto queuing_error_fcp_cmnd;
|
|
}
|
|
ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
|
|
} else {
|
|
additional_cdb_len = 0;
|
|
ctx->fcp_cmnd_len = 12 + 16 + 4;
|
|
}
|
|
|
|
cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
|
|
cmd_pkt->handle = make_handle(req->id, handle);
|
|
|
|
/*
|
|
* Zero out remaining portion of packet.
|
|
* tagged queuing modifier -- default is TSK_SIMPLE (0).
|
|
*/
|
|
clr_ptr = (uint32_t *)cmd_pkt + 2;
|
|
memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
|
|
cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
|
|
|
|
/* No data transfer */
|
|
if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
|
|
cmd_pkt->byte_count = cpu_to_le32(0);
|
|
goto no_dsds;
|
|
}
|
|
|
|
/* Set transfer direction */
|
|
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
|
|
cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA);
|
|
vha->qla_stats.output_bytes += scsi_bufflen(cmd);
|
|
vha->qla_stats.output_requests++;
|
|
sp->fcport->edif.tx_bytes += scsi_bufflen(cmd);
|
|
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
|
|
cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
|
|
vha->qla_stats.input_bytes += scsi_bufflen(cmd);
|
|
vha->qla_stats.input_requests++;
|
|
sp->fcport->edif.rx_bytes += scsi_bufflen(cmd);
|
|
}
|
|
|
|
cmd_pkt->control_flags |= cpu_to_le16(CF_EN_EDIF);
|
|
cmd_pkt->control_flags &= ~(cpu_to_le16(CF_NEW_SA));
|
|
|
|
/* One DSD is available in the Command Type 6 IOCB */
|
|
avail_dsds = 1;
|
|
cur_dsd = &cmd_pkt->fcp_dsd;
|
|
|
|
/* Load data segments */
|
|
scsi_for_each_sg(cmd, sg, tot_dsds, i) {
|
|
dma_addr_t sle_dma;
|
|
cont_a64_entry_t *cont_pkt;
|
|
|
|
/* Allocate additional continuation packets? */
|
|
if (avail_dsds == 0) {
|
|
/*
|
|
* Five DSDs are available in the Continuation
|
|
* Type 1 IOCB.
|
|
*/
|
|
cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req);
|
|
cur_dsd = cont_pkt->dsd;
|
|
avail_dsds = 5;
|
|
}
|
|
|
|
sle_dma = sg_dma_address(sg);
|
|
put_unaligned_le64(sle_dma, &cur_dsd->address);
|
|
cur_dsd->length = cpu_to_le32(sg_dma_len(sg));
|
|
cur_dsd++;
|
|
avail_dsds--;
|
|
}
|
|
|
|
no_dsds:
|
|
/* Set NPORT-ID and LUN number*/
|
|
cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
|
|
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
|
|
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
|
|
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
|
|
cmd_pkt->vp_index = sp->vha->vp_idx;
|
|
|
|
cmd_pkt->entry_type = COMMAND_TYPE_6;
|
|
|
|
/* Set total data segment count. */
|
|
cmd_pkt->entry_count = (uint8_t)req_cnt;
|
|
|
|
int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
|
|
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
|
|
|
|
/* build FCP_CMND IU */
|
|
int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
|
|
ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
|
|
|
|
if (cmd->sc_data_direction == DMA_TO_DEVICE)
|
|
ctx->fcp_cmnd->additional_cdb_len |= 1;
|
|
else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
|
|
ctx->fcp_cmnd->additional_cdb_len |= 2;
|
|
|
|
/* Populate the FCP_PRIO. */
|
|
if (ha->flags.fcp_prio_enabled)
|
|
ctx->fcp_cmnd->task_attribute |=
|
|
sp->fcport->fcp_prio << 3;
|
|
|
|
memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
|
|
|
|
fcp_dl = (__be32 *)(ctx->fcp_cmnd->cdb + 16 +
|
|
additional_cdb_len);
|
|
*fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
|
|
|
|
cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
|
|
put_unaligned_le64(ctx->fcp_cmnd_dma, &cmd_pkt->fcp_cmnd_dseg_address);
|
|
|
|
sp->flags |= SRB_FCP_CMND_DMA_VALID;
|
|
cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
|
|
/* Set total data segment count. */
|
|
cmd_pkt->entry_count = (uint8_t)req_cnt;
|
|
cmd_pkt->entry_status = 0;
|
|
|
|
/* Build command packet. */
|
|
req->current_outstanding_cmd = handle;
|
|
req->outstanding_cmds[handle] = sp;
|
|
sp->handle = handle;
|
|
cmd->host_scribble = (unsigned char *)(unsigned long)handle;
|
|
req->cnt -= req_cnt;
|
|
|
|
/* Adjust ring index. */
|
|
wmb();
|
|
req->ring_index++;
|
|
if (req->ring_index == req->length) {
|
|
req->ring_index = 0;
|
|
req->ring_ptr = req->ring;
|
|
} else {
|
|
req->ring_ptr++;
|
|
}
|
|
|
|
sp->qpair->cmd_cnt++;
|
|
/* Set chip new ring index. */
|
|
wrt_reg_dword(req->req_q_in, req->ring_index);
|
|
|
|
spin_unlock_irqrestore(lock, flags);
|
|
|
|
return QLA_SUCCESS;
|
|
|
|
queuing_error_fcp_cmnd:
|
|
dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
|
|
queuing_error:
|
|
if (tot_dsds)
|
|
scsi_dma_unmap(cmd);
|
|
|
|
if (sp->u.scmd.ct6_ctx) {
|
|
mempool_free(sp->u.scmd.ct6_ctx, ha->ctx_mempool);
|
|
sp->u.scmd.ct6_ctx = NULL;
|
|
}
|
|
spin_unlock_irqrestore(lock, flags);
|
|
|
|
return QLA_FUNCTION_FAILED;
|
|
}
|
|
|
|
/**********************************************
|
|
* edif update/delete sa_index list functions *
|
|
**********************************************/
|
|
|
|
/* clear the edif_indx_list for this port */
|
|
void qla_edif_list_del(fc_port_t *fcport)
|
|
{
|
|
struct edif_list_entry *indx_lst;
|
|
struct edif_list_entry *tindx_lst;
|
|
struct list_head *indx_list = &fcport->edif.edif_indx_list;
|
|
unsigned long flags = 0;
|
|
|
|
spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
|
|
list_for_each_entry_safe(indx_lst, tindx_lst, indx_list, next) {
|
|
list_del(&indx_lst->next);
|
|
kfree(indx_lst);
|
|
}
|
|
spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
|
|
}
|
|
|
|
/******************
|
|
* SADB functions *
|
|
******************/
|
|
|
|
/* allocate/retrieve an sa_index for a given spi */
|
|
static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport,
|
|
struct qla_sa_update_frame *sa_frame)
|
|
{
|
|
struct edif_sa_index_entry *entry;
|
|
struct list_head *sa_list;
|
|
uint16_t sa_index;
|
|
int dir = sa_frame->flags & SAU_FLG_TX;
|
|
int slot = 0;
|
|
int free_slot = -1;
|
|
scsi_qla_host_t *vha = fcport->vha;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
unsigned long flags = 0;
|
|
uint16_t nport_handle = fcport->loop_id;
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: entry fc_port: %p, nport_handle: 0x%x\n",
|
|
__func__, fcport, nport_handle);
|
|
|
|
if (dir)
|
|
sa_list = &ha->sadb_tx_index_list;
|
|
else
|
|
sa_list = &ha->sadb_rx_index_list;
|
|
|
|
entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list);
|
|
if (!entry) {
|
|
if ((sa_frame->flags & (SAU_FLG_TX | SAU_FLG_INV)) == SAU_FLG_INV) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: rx delete request with no entry\n", __func__);
|
|
return RX_DELETE_NO_EDIF_SA_INDEX;
|
|
}
|
|
|
|
/* if there is no entry for this nport, add one */
|
|
entry = kzalloc((sizeof(struct edif_sa_index_entry)), GFP_ATOMIC);
|
|
if (!entry)
|
|
return INVALID_EDIF_SA_INDEX;
|
|
|
|
sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir);
|
|
if (sa_index == INVALID_EDIF_SA_INDEX) {
|
|
kfree(entry);
|
|
return INVALID_EDIF_SA_INDEX;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&entry->next);
|
|
entry->handle = nport_handle;
|
|
entry->fcport = fcport;
|
|
entry->sa_pair[0].spi = sa_frame->spi;
|
|
entry->sa_pair[0].sa_index = sa_index;
|
|
entry->sa_pair[1].spi = 0;
|
|
entry->sa_pair[1].sa_index = INVALID_EDIF_SA_INDEX;
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
list_add_tail(&entry->next, sa_list);
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: Created new sadb entry for nport_handle 0x%x, spi 0x%x, returning sa_index %d\n",
|
|
__func__, nport_handle, sa_frame->spi, sa_index);
|
|
|
|
return sa_index;
|
|
}
|
|
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
|
|
/* see if we already have an entry for this spi */
|
|
for (slot = 0; slot < 2; slot++) {
|
|
if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) {
|
|
free_slot = slot;
|
|
} else {
|
|
if (entry->sa_pair[slot].spi == sa_frame->spi) {
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: sadb slot %d entry for lid 0x%x, spi 0x%x found, sa_index %d\n",
|
|
__func__, slot, entry->handle, sa_frame->spi,
|
|
entry->sa_pair[slot].sa_index);
|
|
return entry->sa_pair[slot].sa_index;
|
|
}
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
|
|
/* both slots are used */
|
|
if (free_slot == -1) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: WARNING: No free slots in sadb for nport_handle 0x%x, spi: 0x%x\n",
|
|
__func__, entry->handle, sa_frame->spi);
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: Slot 0 spi: 0x%x sa_index: %d, Slot 1 spi: 0x%x sa_index: %d\n",
|
|
__func__, entry->sa_pair[0].spi, entry->sa_pair[0].sa_index,
|
|
entry->sa_pair[1].spi, entry->sa_pair[1].sa_index);
|
|
|
|
return INVALID_EDIF_SA_INDEX;
|
|
}
|
|
|
|
/* there is at least one free slot, use it */
|
|
sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir);
|
|
if (sa_index == INVALID_EDIF_SA_INDEX) {
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
|
|
"%s: empty freepool!!\n", __func__);
|
|
return INVALID_EDIF_SA_INDEX;
|
|
}
|
|
|
|
spin_lock_irqsave(&ha->sadb_lock, flags);
|
|
entry->sa_pair[free_slot].spi = sa_frame->spi;
|
|
entry->sa_pair[free_slot].sa_index = sa_index;
|
|
spin_unlock_irqrestore(&ha->sadb_lock, flags);
|
|
ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
|
|
"%s: sadb slot %d entry for nport_handle 0x%x, spi 0x%x added, returning sa_index %d\n",
|
|
__func__, free_slot, entry->handle, sa_frame->spi, sa_index);
|
|
|
|
return sa_index;
|
|
}
|
|
|
|
/* release any sadb entries -- only done at teardown */
|
|
void qla_edif_sadb_release(struct qla_hw_data *ha)
|
|
{
|
|
struct list_head *pos;
|
|
struct list_head *tmp;
|
|
struct edif_sa_index_entry *entry;
|
|
|
|
list_for_each_safe(pos, tmp, &ha->sadb_rx_index_list) {
|
|
entry = list_entry(pos, struct edif_sa_index_entry, next);
|
|
list_del(&entry->next);
|
|
kfree(entry);
|
|
}
|
|
|
|
list_for_each_safe(pos, tmp, &ha->sadb_tx_index_list) {
|
|
entry = list_entry(pos, struct edif_sa_index_entry, next);
|
|
list_del(&entry->next);
|
|
kfree(entry);
|
|
}
|
|
}
|
|
|
|
/**************************
|
|
* sadb freepool functions
|
|
**************************/
|
|
|
|
/* build the rx and tx sa_index free pools -- only done at fcport init */
|
|
int qla_edif_sadb_build_free_pool(struct qla_hw_data *ha)
|
|
{
|
|
ha->edif_tx_sa_id_map =
|
|
kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL);
|
|
|
|
if (!ha->edif_tx_sa_id_map) {
|
|
ql_log_pci(ql_log_fatal, ha->pdev, 0x0009,
|
|
"Unable to allocate memory for sadb tx.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ha->edif_rx_sa_id_map =
|
|
kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL);
|
|
if (!ha->edif_rx_sa_id_map) {
|
|
kfree(ha->edif_tx_sa_id_map);
|
|
ha->edif_tx_sa_id_map = NULL;
|
|
ql_log_pci(ql_log_fatal, ha->pdev, 0x0009,
|
|
"Unable to allocate memory for sadb rx.\n");
|
|
return -ENOMEM;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* release the free pool - only done during fcport teardown */
|
|
void qla_edif_sadb_release_free_pool(struct qla_hw_data *ha)
|
|
{
|
|
kfree(ha->edif_tx_sa_id_map);
|
|
ha->edif_tx_sa_id_map = NULL;
|
|
kfree(ha->edif_rx_sa_id_map);
|
|
ha->edif_rx_sa_id_map = NULL;
|
|
}
|
|
|
|
static void __chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha,
|
|
fc_port_t *fcport, uint32_t handle, uint16_t sa_index)
|
|
{
|
|
struct edif_list_entry *edif_entry;
|
|
struct edif_sa_ctl *sa_ctl;
|
|
uint16_t delete_sa_index = INVALID_EDIF_SA_INDEX;
|
|
unsigned long flags = 0;
|
|
uint16_t nport_handle = fcport->loop_id;
|
|
uint16_t cached_nport_handle;
|
|
|
|
spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
|
|
edif_entry = qla_edif_list_find_sa_index(fcport, nport_handle);
|
|
if (!edif_entry) {
|
|
spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
|
|
return; /* no pending delete for this handle */
|
|
}
|
|
|
|
/*
|
|
* check for no pending delete for this index or iocb does not
|
|
* match rx sa_index
|
|
*/
|
|
if (edif_entry->delete_sa_index == INVALID_EDIF_SA_INDEX ||
|
|
edif_entry->update_sa_index != sa_index) {
|
|
spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* wait until we have seen at least EDIF_DELAY_COUNT transfers before
|
|
* queueing RX delete
|
|
*/
|
|
if (edif_entry->count++ < EDIF_RX_DELETE_FILTER_COUNT) {
|
|
spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
|
|
return;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x5033,
|
|
"%s: invalidating delete_sa_index, update_sa_index: 0x%x sa_index: 0x%x, delete_sa_index: 0x%x\n",
|
|
__func__, edif_entry->update_sa_index, sa_index, edif_entry->delete_sa_index);
|
|
|
|
delete_sa_index = edif_entry->delete_sa_index;
|
|
edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
|
|
cached_nport_handle = edif_entry->handle;
|
|
spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
|
|
|
|
/* sanity check on the nport handle */
|
|
if (nport_handle != cached_nport_handle) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: POST SA DELETE nport_handle mismatch: lid: 0x%x, edif_entry nph: 0x%x\n",
|
|
__func__, nport_handle, cached_nport_handle);
|
|
}
|
|
|
|
/* find the sa_ctl for the delete and schedule the delete */
|
|
sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, delete_sa_index, 0);
|
|
if (sa_ctl) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: POST SA DELETE sa_ctl: %p, index recvd %d\n",
|
|
__func__, sa_ctl, sa_index);
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"delete index %d, update index: %d, nport handle: 0x%x, handle: 0x%x\n",
|
|
delete_sa_index,
|
|
edif_entry->update_sa_index, nport_handle, handle);
|
|
|
|
sa_ctl->flags = EDIF_SA_CTL_FLG_DEL;
|
|
set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state);
|
|
qla_post_sa_replace_work(fcport->vha, fcport,
|
|
nport_handle, sa_ctl);
|
|
} else {
|
|
ql_dbg(ql_dbg_edif, vha, 0x3063,
|
|
"%s: POST SA DELETE sa_ctl not found for delete_sa_index: %d\n",
|
|
__func__, delete_sa_index);
|
|
}
|
|
}
|
|
|
|
void qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha,
|
|
srb_t *sp, struct sts_entry_24xx *sts24)
|
|
{
|
|
fc_port_t *fcport = sp->fcport;
|
|
/* sa_index used by this iocb */
|
|
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
|
|
uint32_t handle;
|
|
|
|
handle = (uint32_t)LSW(sts24->handle);
|
|
|
|
/* find out if this status iosb is for a scsi read */
|
|
if (cmd->sc_data_direction != DMA_FROM_DEVICE)
|
|
return;
|
|
|
|
return __chk_edif_rx_sa_delete_pending(vha, fcport, handle,
|
|
le16_to_cpu(sts24->edif_sa_index));
|
|
}
|
|
|
|
void qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport,
|
|
struct ctio7_from_24xx *pkt)
|
|
{
|
|
__chk_edif_rx_sa_delete_pending(vha, fcport,
|
|
pkt->handle, le16_to_cpu(pkt->edif_sa_index));
|
|
}
|
|
|
|
static void qla_parse_auth_els_ctl(struct srb *sp)
|
|
{
|
|
struct qla_els_pt_arg *a = &sp->u.bsg_cmd.u.els_arg;
|
|
struct bsg_job *bsg_job = sp->u.bsg_cmd.bsg_job;
|
|
struct fc_bsg_request *request = bsg_job->request;
|
|
struct qla_bsg_auth_els_request *p =
|
|
(struct qla_bsg_auth_els_request *)bsg_job->request;
|
|
|
|
a->tx_len = a->tx_byte_count = sp->remap.req.len;
|
|
a->tx_addr = sp->remap.req.dma;
|
|
a->rx_len = a->rx_byte_count = sp->remap.rsp.len;
|
|
a->rx_addr = sp->remap.rsp.dma;
|
|
|
|
if (p->e.sub_cmd == SEND_ELS_REPLY) {
|
|
a->control_flags = p->e.extra_control_flags << 13;
|
|
a->rx_xchg_address = cpu_to_le32(p->e.extra_rx_xchg_address);
|
|
if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_ACC)
|
|
a->els_opcode = ELS_LS_ACC;
|
|
else if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_RJT)
|
|
a->els_opcode = ELS_LS_RJT;
|
|
}
|
|
a->did = sp->fcport->d_id;
|
|
a->els_opcode = request->rqst_data.h_els.command_code;
|
|
a->nport_handle = cpu_to_le16(sp->fcport->loop_id);
|
|
a->vp_idx = sp->vha->vp_idx;
|
|
}
|
|
|
|
int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
|
|
{
|
|
struct fc_bsg_request *bsg_request = bsg_job->request;
|
|
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
|
|
fc_port_t *fcport = NULL;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
srb_t *sp;
|
|
int rval = (DID_ERROR << 16);
|
|
port_id_t d_id;
|
|
struct qla_bsg_auth_els_request *p =
|
|
(struct qla_bsg_auth_els_request *)bsg_job->request;
|
|
|
|
d_id.b.al_pa = bsg_request->rqst_data.h_els.port_id[2];
|
|
d_id.b.area = bsg_request->rqst_data.h_els.port_id[1];
|
|
d_id.b.domain = bsg_request->rqst_data.h_els.port_id[0];
|
|
|
|
/* find matching d_id in fcport list */
|
|
fcport = qla2x00_find_fcport_by_pid(vha, &d_id);
|
|
if (!fcport) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x911a,
|
|
"%s fcport not find online portid=%06x.\n",
|
|
__func__, d_id.b24);
|
|
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
|
|
return -EIO;
|
|
}
|
|
|
|
if (qla_bsg_check(vha, bsg_job, fcport))
|
|
return 0;
|
|
|
|
if (fcport->loop_id == FC_NO_LOOP_ID) {
|
|
ql_dbg(ql_dbg_edif, vha, 0x910d,
|
|
"%s ELS code %x, no loop id.\n", __func__,
|
|
bsg_request->rqst_data.r_els.els_code);
|
|
SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
|
|
return -ENXIO;
|
|
}
|
|
|
|
if (!vha->flags.online) {
|
|
ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
|
|
SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
|
|
rval = -EIO;
|
|
goto done;
|
|
}
|
|
|
|
/* pass through is supported only for ISP 4Gb or higher */
|
|
if (!IS_FWI2_CAPABLE(ha)) {
|
|
ql_dbg(ql_dbg_user, vha, 0x7001,
|
|
"ELS passthru not supported for ISP23xx based adapters.\n");
|
|
SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
|
|
rval = -EPERM;
|
|
goto done;
|
|
}
|
|
|
|
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
|
|
if (!sp) {
|
|
ql_dbg(ql_dbg_user, vha, 0x7004,
|
|
"Failed get sp pid=%06x\n", fcport->d_id.b24);
|
|
rval = -ENOMEM;
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
goto done;
|
|
}
|
|
|
|
sp->remap.req.len = bsg_job->request_payload.payload_len;
|
|
sp->remap.req.buf = dma_pool_alloc(ha->purex_dma_pool,
|
|
GFP_KERNEL, &sp->remap.req.dma);
|
|
if (!sp->remap.req.buf) {
|
|
ql_dbg(ql_dbg_user, vha, 0x7005,
|
|
"Failed allocate request dma len=%x\n",
|
|
bsg_job->request_payload.payload_len);
|
|
rval = -ENOMEM;
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
goto done_free_sp;
|
|
}
|
|
|
|
sp->remap.rsp.len = bsg_job->reply_payload.payload_len;
|
|
sp->remap.rsp.buf = dma_pool_alloc(ha->purex_dma_pool,
|
|
GFP_KERNEL, &sp->remap.rsp.dma);
|
|
if (!sp->remap.rsp.buf) {
|
|
ql_dbg(ql_dbg_user, vha, 0x7006,
|
|
"Failed allocate response dma len=%x\n",
|
|
bsg_job->reply_payload.payload_len);
|
|
rval = -ENOMEM;
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
goto done_free_remap_req;
|
|
}
|
|
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, sp->remap.req.buf,
|
|
sp->remap.req.len);
|
|
sp->remap.remapped = true;
|
|
|
|
sp->type = SRB_ELS_CMD_HST_NOLOGIN;
|
|
sp->name = "SPCN_BSG_HST_NOLOGIN";
|
|
sp->u.bsg_cmd.bsg_job = bsg_job;
|
|
qla_parse_auth_els_ctl(sp);
|
|
|
|
sp->free = qla2x00_bsg_sp_free;
|
|
sp->done = qla2x00_bsg_job_done;
|
|
|
|
rval = qla2x00_start_sp(sp);
|
|
|
|
ql_dbg(ql_dbg_edif, vha, 0x700a,
|
|
"%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n",
|
|
__func__, sc_to_str(p->e.sub_cmd), fcport->port_name,
|
|
p->e.extra_rx_xchg_address, p->e.extra_control_flags,
|
|
sp->handle, sp->remap.req.len, bsg_job);
|
|
|
|
if (rval != QLA_SUCCESS) {
|
|
ql_log(ql_log_warn, vha, 0x700e,
|
|
"qla2x00_start_sp failed = %d\n", rval);
|
|
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
|
|
rval = -EIO;
|
|
goto done_free_remap_rsp;
|
|
}
|
|
return rval;
|
|
|
|
done_free_remap_rsp:
|
|
dma_pool_free(ha->purex_dma_pool, sp->remap.rsp.buf,
|
|
sp->remap.rsp.dma);
|
|
done_free_remap_req:
|
|
dma_pool_free(ha->purex_dma_pool, sp->remap.req.buf,
|
|
sp->remap.req.dma);
|
|
done_free_sp:
|
|
qla2x00_rel_sp(sp);
|
|
|
|
done:
|
|
return rval;
|
|
}
|
|
|
|
void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess)
|
|
{
|
|
if (sess->edif.app_sess_online && vha->e_dbell.db_flags & EDB_ACTIVE) {
|
|
ql_dbg(ql_dbg_disc, vha, 0xf09c,
|
|
"%s: sess %8phN send port_offline event\n",
|
|
__func__, sess->port_name);
|
|
sess->edif.app_sess_online = 0;
|
|
qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SESSION_SHUTDOWN,
|
|
sess->d_id.b24, 0, sess);
|
|
qla2x00_post_aen_work(vha, FCH_EVT_PORT_OFFLINE, sess->d_id.b24);
|
|
}
|
|
}
|