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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_edif.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_edif.c3687
1 files changed, 3687 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c
new file mode 100644
index 000000000..7aee4d093
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_edif.c
@@ -0,0 +1,3687 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Marvell Fibre Channel HBA Driver
+ * Copyright (c) 2021 Marvell
+ */
+#include "qla_def.h"
+#include "qla_edif.h"
+
+#include <linux/kthread.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <scsi/scsi_tcq.h>
+
+static struct edif_sa_index_entry *qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,
+ struct list_head *sa_list);
+static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport,
+ struct qla_sa_update_frame *sa_frame);
+static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle,
+ uint16_t sa_index);
+static int qla_pur_get_pending(scsi_qla_host_t *, fc_port_t *, struct bsg_job *);
+
+struct edb_node {
+ struct list_head list;
+ uint32_t ntype;
+ union {
+ port_id_t plogi_did;
+ uint32_t async;
+ port_id_t els_sid;
+ struct edif_sa_update_aen sa_aen;
+ } u;
+};
+
+static struct els_sub_cmd {
+ uint16_t cmd;
+ const char *str;
+} sc_str[] = {
+ {SEND_ELS, "send ELS"},
+ {SEND_ELS_REPLY, "send ELS Reply"},
+ {PULL_ELS, "retrieve ELS"},
+};
+
+const char *sc_to_str(uint16_t cmd)
+{
+ int i;
+ struct els_sub_cmd *e;
+
+ for (i = 0; i < ARRAY_SIZE(sc_str); i++) {
+ e = sc_str + i;
+ if (cmd == e->cmd)
+ return e->str;
+ }
+ return "unknown";
+}
+
+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_init(&edbnode->list);
+ }
+
+ spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
+
+ return edbnode;
+}
+
+static void qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node)
+{
+ list_del_init(&node->list);
+ kfree(node);
+}
+
+static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport,
+ uint16_t handle)
+{
+ struct edif_list_entry *entry;
+ struct edif_list_entry *tentry;
+ struct list_head *indx_list = &fcport->edif.edif_indx_list;
+
+ list_for_each_entry_safe(entry, tentry, indx_list, next) {
+ if (entry->handle == handle)
+ return entry;
+ }
+ return NULL;
+}
+
+/* timeout called when no traffic and delayed rx sa_index delete */
+static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t)
+{
+ struct edif_list_entry *edif_entry = from_timer(edif_entry, t, timer);
+ fc_port_t *fcport = edif_entry->fcport;
+ struct scsi_qla_host *vha = fcport->vha;
+ struct edif_sa_ctl *sa_ctl;
+ uint16_t nport_handle;
+ unsigned long flags = 0;
+
+ ql_dbg(ql_dbg_edif, vha, 0x3069,
+ "%s: nport_handle 0x%x, SA REPL Delay Timeout, %8phC portid=%06x\n",
+ __func__, edif_entry->handle, fcport->port_name, fcport->d_id.b24);
+
+ /*
+ * if delete_sa_index is valid then no one has serviced this
+ * delayed delete
+ */
+ spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
+
+ /*
+ * delete_sa_index is invalidated when we find the new sa_index in
+ * the incoming data stream. If it is not invalidated then we are
+ * still looking for the new sa_index because there is no I/O and we
+ * need to just force the rx delete and move on. Otherwise
+ * we could get another rekey which will result in an error 66.
+ */
+ if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) {
+ uint16_t delete_sa_index = edif_entry->delete_sa_index;
+
+ edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
+ nport_handle = edif_entry->handle;
+ spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
+
+ 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: sa_ctl: %p, delete index %d, update index: %d, lid: 0x%x\n",
+ __func__, sa_ctl, delete_sa_index, edif_entry->update_sa_index,
+ nport_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: sa_ctl not found for delete_sa_index: %d\n",
+ __func__, edif_entry->delete_sa_index);
+ }
+ } else {
+ spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
+ }
+}
+
+/*
+ * create a new list entry for this nport handle and
+ * add an sa_update index to the list - called for sa_update
+ */
+static int qla_edif_list_add_sa_update_index(fc_port_t *fcport,
+ uint16_t sa_index, uint16_t handle)
+{
+ struct edif_list_entry *entry;
+ unsigned long flags = 0;
+
+ /* if the entry exists, then just update the sa_index */
+ entry = qla_edif_list_find_sa_index(fcport, handle);
+ if (entry) {
+ entry->update_sa_index = sa_index;
+ entry->count = 0;
+ return 0;
+ }
+
+ /*
+ * This is the normal path - there should be no existing entry
+ * when update is called. The exception is at startup
+ * when update is called for the first two sa_indexes
+ * followed by a delete of the first sa_index
+ */
+ entry = kzalloc((sizeof(struct edif_list_entry)), GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&entry->next);
+ entry->handle = handle;
+ entry->update_sa_index = sa_index;
+ entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
+ entry->count = 0;
+ entry->flags = 0;
+ timer_setup(&entry->timer, qla2x00_sa_replace_iocb_timeout, 0);
+ spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
+ list_add_tail(&entry->next, &fcport->edif.edif_indx_list);
+ spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
+ return 0;
+}
+
+/* remove an entry from the list */
+static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry)
+{
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
+ list_del(&entry->next);
+ spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
+}
+
+int qla_post_sa_replace_work(struct scsi_qla_host *vha,
+ fc_port_t *fcport, uint16_t nport_handle, struct edif_sa_ctl *sa_ctl)
+{
+ struct qla_work_evt *e;
+
+ e = qla2x00_alloc_work(vha, QLA_EVT_SA_REPLACE);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.sa_update.fcport = fcport;
+ e->u.sa_update.sa_ctl = sa_ctl;
+ e->u.sa_update.nport_handle = nport_handle;
+ fcport->flags |= FCF_ASYNC_ACTIVE;
+ return qla2x00_post_work(vha, e);
+}
+
+static void
+qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port *fcport)
+{
+ ql_dbg(ql_dbg_edif, vha, 0x2058,
+ "Init SA_CTL List for fcport - nn %8phN pn %8phN portid=%06x.\n",
+ fcport->node_name, fcport->port_name, fcport->d_id.b24);
+
+ fcport->edif.tx_rekey_cnt = 0;
+ fcport->edif.rx_rekey_cnt = 0;
+
+ fcport->edif.tx_bytes = 0;
+ fcport->edif.rx_bytes = 0;
+}
+
+static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job,
+fc_port_t *fcport)
+{
+ struct extra_auth_els *p;
+ struct fc_bsg_reply *bsg_reply = bsg_job->reply;
+ struct qla_bsg_auth_els_request *req =
+ (struct qla_bsg_auth_els_request *)bsg_job->request;
+
+ if (!vha->hw->flags.edif_enabled) {
+ ql_dbg(ql_dbg_edif, vha, 0x9105,
+ "%s edif not enabled\n", __func__);
+ goto done;
+ }
+ if (DBELL_INACTIVE(vha)) {
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s doorbell not enabled\n", __func__);
+ goto done;
+ }
+
+ p = &req->e;
+
+ /* Get response */
+ if (p->sub_cmd == PULL_ELS) {
+ struct qla_bsg_auth_els_reply *rpl =
+ (struct qla_bsg_auth_els_reply *)bsg_job->reply;
+
+ qla_pur_get_pending(vha, fcport, bsg_job);
+
+ ql_dbg(ql_dbg_edif, vha, 0x911d,
+ "%s %s %8phN sid=%x. xchg %x, nb=%xh bsg ptr %p\n",
+ __func__, sc_to_str(p->sub_cmd), fcport->port_name,
+ fcport->d_id.b24, rpl->rx_xchg_address,
+ rpl->r.reply_payload_rcv_len, bsg_job);
+
+ goto done;
+ }
+ return 0;
+
+done:
+
+ bsg_job_done(bsg_job, bsg_reply->result,
+ bsg_reply->reply_payload_rcv_len);
+ return -EIO;
+}
+
+fc_port_t *
+qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id)
+{
+ fc_port_t *f, *tf;
+
+ f = NULL;
+ list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
+ if (f->d_id.b24 == id->b24)
+ return f;
+ }
+ return NULL;
+}
+
+/**
+ * qla_edif_app_check(): check for valid application id.
+ * @vha: host adapter pointer
+ * @appid: application id
+ * Return: false = fail, true = pass
+ */
+static bool
+qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid)
+{
+ /* check that the app is allow/known to the driver */
+
+ if (appid.app_vid != EDIF_APP_ID) {
+ ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)",
+ __func__, appid.app_vid);
+ return false;
+ }
+
+ if (appid.version != EDIF_VERSION1) {
+ ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app version is not ok (%x)",
+ __func__, appid.version);
+ return false;
+ }
+
+ return true;
+}
+
+static void
+qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl,
+ int index)
+{
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
+ list_del(&sa_ctl->next);
+ spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
+ if (index >= 512)
+ fcport->edif.tx_rekey_cnt--;
+ else
+ fcport->edif.rx_rekey_cnt--;
+ kfree(sa_ctl);
+}
+
+/* return an index to the freepool */
+static void qla_edif_add_sa_index_to_freepool(fc_port_t *fcport, int dir,
+ uint16_t sa_index)
+{
+ void *sa_id_map;
+ struct scsi_qla_host *vha = fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags = 0;
+ u16 lsa_index = 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;
+ lsa_index -= EDIF_TX_SA_INDEX_BASE;
+ } else {
+ sa_id_map = ha->edif_rx_sa_id_map;
+ }
+
+ spin_lock_irqsave(&ha->sadb_fp_lock, flags);
+ clear_bit(lsa_index, sa_id_map);
+ spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
+ ql_dbg(ql_dbg_edif, vha, 0x3063,
+ "%s: index %d added to free pool\n", __func__, sa_index);
+}
+
+static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha,
+ struct fc_port *fcport, struct edif_sa_index_entry *entry,
+ int pdir)
+{
+ struct edif_list_entry *edif_entry;
+ struct edif_sa_ctl *sa_ctl;
+ int i, dir;
+ int key_cnt = 0;
+
+ for (i = 0; i < 2; i++) {
+ if (entry->sa_pair[i].sa_index == INVALID_EDIF_SA_INDEX)
+ continue;
+
+ if (fcport->loop_id != entry->handle) {
+ 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,
+ entry->sa_pair[i].sa_index);
+ }
+
+ /* release the sa_ctl */
+ sa_ctl = qla_edif_find_sa_ctl_by_index(fcport,
+ entry->sa_pair[i].sa_index, pdir);
+ if (sa_ctl &&
+ 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);
+ qla_edif_free_sa_ctl(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);
+ }
+
+ /* 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 <
+ 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_log(ql_log_info, vha, 0x1313,
+ "EDIF application registration with driver, FC device connections will be re-established.\n");
+
+ 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 (DBELL_INACTIVE(vha)) {
+ /* mark doorbell as active since an app is now present */
+ vha->e_dbell.db_flags |= EDB_ACTIVE;
+ } else {
+ goto out;
+ }
+
+ if (N2N_TOPO(vha->hw)) {
+ list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list)
+ fcport->n2n_link_reset_cnt = 0;
+
+ if (vha->hw->flags.n2n_fw_acc_sec) {
+ list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list)
+ qla_edif_sa_ctl_init(vha, fcport);
+
+ /*
+ * While authentication app was not running, remote device
+ * could still try to login with this local port. Let's
+ * clear the state and try again.
+ */
+ qla2x00_wait_for_sess_deletion(vha);
+
+ /* bounce the link to get the other guy to relogin */
+ if (!vha->hw->flags.n2n_bigger) {
+ set_bit(N2N_LINK_RESET, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
+ } else {
+ qla2x00_wait_for_hba_online(vha);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_hba_online(vha);
+ }
+ } else {
+ list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
+ ql_dbg(ql_dbg_edif, vha, 0x2058,
+ "FCSP - nn %8phN pn %8phN portid=%06x.\n",
+ fcport->node_name, fcport->port_name,
+ fcport->d_id.b24);
+ ql_dbg(ql_dbg_edif, vha, 0xf084,
+ "%s: se_sess %p / sess %p from port %8phC "
+ "loop_id %#04x s_id %06x logout %d "
+ "keep %d els_logo %d disc state %d auth state %d"
+ "stop state %d\n",
+ __func__, fcport->se_sess, fcport,
+ fcport->port_name, fcport->loop_id,
+ fcport->d_id.b24, fcport->logout_on_delete,
+ 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;
+
+ fcport->login_retry = vha->hw->login_retry_count;
+
+ fcport->edif.app_stop = 0;
+ fcport->edif.app_sess_online = 0;
+
+ if (fcport->scan_state != QLA_FCPORT_FOUND)
+ continue;
+
+ if (fcport->port_type == FCT_UNKNOWN &&
+ !fcport->fc4_features)
+ rval = qla24xx_async_gffid(vha, fcport, true);
+
+ if (!rval && !(fcport->fc4_features & FC4_FF_TARGET ||
+ fcport->port_type & (FCT_TARGET|FCT_NVME_TARGET)))
+ continue;
+
+ rval = 0;
+
+ ql_dbg(ql_dbg_edif, vha, 0x911e,
+ "%s wwpn %8phC calling qla_edif_reset_auth_wait\n",
+ __func__, fcport->port_name);
+ qlt_schedule_sess_for_deletion(fcport);
+ qla_edif_sa_ctl_init(vha, fcport);
+ }
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ }
+
+ 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__);
+ }
+
+out:
+ 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;
+ appreply.version = EDIF_VERSION1;
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+
+ 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,
+ &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);
+ }
+ }
+
+ 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)
+{
+ 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));
+
+ /* silent unaligned access warning */
+ portid.b.domain = appplogiok.u.d_id.b.domain;
+ portid.b.area = appplogiok.u.d_id.b.area;
+ portid.b.al_pa = appplogiok.u.d_id.b.al_pa;
+
+ appplogireply.version = EDIF_VERSION1;
+ 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, &portid);
+ 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);
+ qla24xx_post_prli_work(vha, fcport);
+ }
+
+errstate_exit:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt,
+ &appplogireply,
+ sizeof(struct app_plogi_reply));
+
+ return 0;
+}
+
+/**
+ * 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));
+
+ /* silent unaligned access warning */
+ portid.b.domain = appplogifail.u.d_id.b.domain;
+ portid.b.area = appplogifail.u.d_id.b.area;
+ portid.b.al_pa = appplogifail.u.d_id.b.al_pa;
+
+ /*
+ * 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, &portid);
+ 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;
+ qlt_schedule_sess_for_deletion(fcport);
+ }
+ }
+
+ 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 pcnt = 0;
+ 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));
+
+ app_reply = kzalloc((sizeof(struct app_pinfo_reply) +
+ sizeof(struct app_pinfo) * app_req.num_ports), GFP_KERNEL);
+
+ if (!app_reply) {
+ SET_DID_STATUS(bsg_reply->result, DID_ERROR);
+ rval = -1;
+ } else {
+ struct fc_port *fcport = NULL, *tf;
+
+ app_reply->version = EDIF_VERSION1;
+
+ list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
+ if (!(fcport->flags & FCF_FCSP_DEVICE))
+ continue;
+
+ tdid.b.domain = app_req.remote_pid.domain;
+ tdid.b.area = app_req.remote_pid.area;
+ tdid.b.al_pa = app_req.remote_pid.al_pa;
+
+ 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;
+
+ if (!N2N_TOPO(vha->hw)) {
+ if (fcport->scan_state != QLA_FCPORT_FOUND)
+ continue;
+
+ if (fcport->port_type == FCT_UNKNOWN &&
+ !fcport->fc4_features)
+ rval = qla24xx_async_gffid(vha, fcport,
+ true);
+
+ if (!rval &&
+ !(fcport->fc4_features & FC4_FF_TARGET ||
+ fcport->port_type &
+ (FCT_TARGET | FCT_NVME_TARGET)))
+ continue;
+ }
+
+ rval = 0;
+
+ app_reply->ports[pcnt].version = EDIF_VERSION1;
+ 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);
+ }
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_reply->reply_payload_rcv_len = 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) * pcnt);
+
+ 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 size;
+
+ struct app_sinfo_req app_req;
+ struct app_stats_reply *app_reply;
+ uint32_t pcnt = 0;
+
+ 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);
+
+ 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;
+
+ app_reply->version = EDIF_VERSION1;
+
+ 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_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, app_reply,
+ sizeof(struct app_stats_reply) + (sizeof(struct app_sinfo) * pcnt));
+
+ kfree(app_reply);
+
+ return rval;
+}
+
+static int32_t
+qla_edif_ack(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
+{
+ struct fc_port *fcport;
+ struct aen_complete_cmd ack;
+ struct fc_bsg_reply *bsg_reply = bsg_job->reply;
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, &ack, sizeof(ack));
+
+ ql_dbg(ql_dbg_edif, vha, 0x70cf,
+ "%s: %06x event_code %x\n",
+ __func__, ack.port_id.b24, ack.event_code);
+
+ fcport = qla2x00_find_fcport_by_pid(vha, &ack.port_id);
+ SET_DID_STATUS(bsg_reply->result, DID_OK);
+
+ if (!fcport) {
+ ql_dbg(ql_dbg_edif, vha, 0x70cf,
+ "%s: unable to find fcport %06x \n",
+ __func__, ack.port_id.b24);
+ return 0;
+ }
+
+ switch (ack.event_code) {
+ case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
+ fcport->edif.sess_down_acked = 1;
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int qla_edif_consume_dbell(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
+{
+ struct fc_bsg_reply *bsg_reply = bsg_job->reply;
+ u32 sg_skip, reply_payload_len;
+ bool keep;
+ struct edb_node *dbnode = NULL;
+ struct edif_app_dbell ap;
+ int dat_size = 0;
+
+ sg_skip = 0;
+ reply_payload_len = bsg_job->reply_payload.payload_len;
+
+ while ((reply_payload_len - sg_skip) >= sizeof(struct edb_node)) {
+ dbnode = qla_edb_getnext(vha);
+ if (dbnode) {
+ keep = true;
+ dat_size = 0;
+ 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_size += sizeof(ap.port_id);
+ break;
+ case VND_CMD_AUTH_STATE_ELS_RCVD:
+ ap.port_id = dbnode->u.els_sid;
+ dat_size += 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_size += sizeof(struct edif_sa_update_aen);
+ break;
+ default:
+ keep = false;
+ ql_log(ql_log_warn, vha, 0x09102,
+ "%s unknown DB type=%d %p\n",
+ __func__, dbnode->ntype, dbnode);
+ break;
+ }
+ ap.event_data_size = dat_size;
+ /* 8 = sizeof(ap.event_code + ap.event_data_size) */
+ dat_size += 8;
+ if (keep)
+ sg_skip += sg_copy_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt,
+ &ap, dat_size, sg_skip, false);
+
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s Doorbell consumed : type=%d %p\n",
+ __func__, dbnode->ntype, dbnode);
+
+ kfree(dbnode);
+ } else {
+ break;
+ }
+ }
+
+ SET_DID_STATUS(bsg_reply->result, DID_OK);
+ bsg_reply->reply_payload_rcv_len = sg_skip;
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+
+ return 0;
+}
+
+static void __qla_edif_dbell_bsg_done(scsi_qla_host_t *vha, struct bsg_job *bsg_job,
+ u32 delay)
+{
+ struct fc_bsg_reply *bsg_reply = bsg_job->reply;
+
+ /* small sleep for doorbell events to accumulate */
+ if (delay)
+ msleep(delay);
+
+ qla_edif_consume_dbell(vha, bsg_job);
+
+ bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len);
+}
+
+static void qla_edif_dbell_bsg_done(scsi_qla_host_t *vha)
+{
+ unsigned long flags;
+ struct bsg_job *prev_bsg_job = NULL;
+
+ spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
+ if (vha->e_dbell.dbell_bsg_job) {
+ prev_bsg_job = vha->e_dbell.dbell_bsg_job;
+ vha->e_dbell.dbell_bsg_job = NULL;
+ }
+ spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
+
+ if (prev_bsg_job)
+ __qla_edif_dbell_bsg_done(vha, prev_bsg_job, 0);
+}
+
+static int
+qla_edif_dbell_bsg(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
+{
+ unsigned long flags;
+ bool return_bsg = false;
+
+ /* flush previous dbell bsg */
+ qla_edif_dbell_bsg_done(vha);
+
+ spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
+ if (list_empty(&vha->e_dbell.head) && DBELL_ACTIVE(vha)) {
+ /*
+ * when the next db event happens, bsg_job will return.
+ * Otherwise, timer will return it.
+ */
+ vha->e_dbell.dbell_bsg_job = bsg_job;
+ vha->e_dbell.bsg_expire = jiffies + 10 * HZ;
+ } else {
+ return_bsg = true;
+ }
+ spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
+
+ if (return_bsg)
+ __qla_edif_dbell_bsg_done(vha, bsg_job, 1);
+
+ return 0;
+}
+
+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];
+ u32 level = ql_dbg_edif;
+
+ /* doorbell is high traffic */
+ if (vnd_sc == QL_VND_SC_READ_DBELL)
+ level = 0;
+
+ ql_dbg(level, 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(level, 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(level, 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;
+ case QL_VND_SC_AEN_COMPLETE:
+ rval = qla_edif_ack(vha, bsg_job);
+ break;
+ case QL_VND_SC_READ_DBELL:
+ rval = qla_edif_dbell_bsg(vha, bsg_job);
+ done = false;
+ 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;
+ done = false;
+ break;
+ }
+
+done:
+ if (done) {
+ ql_dbg(level, 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
+#define EDIF_MSLEEP_INTERVAL 100
+#define EDIF_RETRY_COUNT 50
+
+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, cnt;
+ struct qla_sa_update_frame sa_frame;
+ struct srb_iocb *iocb_cmd;
+ port_id_t portid;
+
+ 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 (DBELL_INACTIVE(vha)) {
+ ql_log(ql_log_warn, vha, 0x70a1, "App not started\n");
+ rval = -EIO;
+ SET_DID_STATUS(bsg_reply->result, DID_ERROR);
+ goto done;
+ }
+
+ /* silent unaligned access warning */
+ portid.b.domain = sa_frame.port_id.b.domain;
+ portid.b.area = sa_frame.port_id.b.area;
+ portid.b.al_pa = sa_frame.port_id.b.al_pa;
+
+ fcport = qla2x00_find_fcport_by_pid(vha, &portid);
+ 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_NO_CONNECT);
+ 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;
+ cnt = 0;
+retry:
+ rval = qla2x00_start_sp(sp);
+ switch (rval) {
+ case QLA_SUCCESS:
+ break;
+ case EAGAIN:
+ msleep(EDIF_MSLEEP_INTERVAL);
+ cnt++;
+ if (cnt < EDIF_RETRY_COUNT)
+ goto retry;
+
+ fallthrough;
+ default:
+ ql_log(ql_dbg_edif, vha, 0x70e3,
+ "%s qla2x00_start_sp failed=%d.\n",
+ __func__, 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);
+}
+
+static void qla_enode_clear(scsi_qla_host_t *vha, port_id_t portid)
+{
+ unsigned long flags;
+ struct enode *e, *tmp;
+ struct purexevent *purex;
+ LIST_HEAD(enode_list);
+
+ if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s enode not active\n", __func__);
+ return;
+ }
+ spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
+ list_for_each_entry_safe(e, tmp, &vha->pur_cinfo.head, list) {
+ purex = &e->u.purexinfo;
+ if (purex->pur_info.pur_sid.b24 == portid.b24) {
+ ql_dbg(ql_dbg_edif, vha, 0x911d,
+ "%s free ELS sid=%06x. xchg %x, nb=%xh\n",
+ __func__, portid.b24,
+ purex->pur_info.pur_rx_xchg_address,
+ purex->pur_info.pur_bytes_rcvd);
+
+ list_del_init(&e->list);
+ list_add_tail(&e->list, &enode_list);
+ }
+ }
+ spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
+
+ list_for_each_entry_safe(e, tmp, &enode_list, list) {
+ list_del_init(&e->list);
+ qla_enode_free(vha, e);
+ }
+}
+
+/*
+ * 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, *q;
+ unsigned long flags;
+ uint32_t sid;
+ struct purexevent *purex;
+
+ /* secure the list from moving under us */
+ spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
+
+ list_for_each_entry_safe(list_node, q, &vha->pur_cinfo.head, list) {
+
+ /* node type determines what p1 and p2 are */
+ purex = &list_node->u.purexinfo;
+ sid = p1;
+
+ if (purex->pur_info.pur_sid.b24 == sid) {
+ /* found it and its complete */
+ node_rtn = list_node;
+ list_del(&list_node->list);
+ 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 ox_id %04x s:%06x -> d:%06x\n",
+ a->ox_id, a->sid.b24, a->did.b24);
+ 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 (DBELL_ACTIVE(vha)) {
+ /* 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);
+}
+
+static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid)
+{
+ unsigned long flags;
+ struct edb_node *e, *tmp;
+ port_id_t sid;
+ LIST_HEAD(edb_list);
+
+ if (DBELL_INACTIVE(vha)) {
+ /* 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);
+ list_for_each_entry_safe(e, tmp, &vha->e_dbell.head, list) {
+ switch (e->ntype) {
+ case VND_CMD_AUTH_STATE_NEEDED:
+ case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
+ sid = e->u.plogi_did;
+ break;
+ case VND_CMD_AUTH_STATE_ELS_RCVD:
+ sid = e->u.els_sid;
+ break;
+ case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
+ /* app wants to see this */
+ continue;
+ default:
+ ql_log(ql_log_warn, vha, 0x09102,
+ "%s unknown node type: %x\n", __func__, e->ntype);
+ sid.b24 = 0;
+ break;
+ }
+ if (sid.b24 == portid.b24) {
+ ql_dbg(ql_dbg_edif, vha, 0x910f,
+ "%s free doorbell event : node type = %x %p\n",
+ __func__, e->ntype, e);
+ list_del_init(&e->list);
+ list_add_tail(&e->list, &edb_list);
+ }
+ }
+ spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
+
+ list_for_each_entry_safe(e, tmp, &edb_list, list)
+ qla_edb_node_free(vha, e);
+}
+
+/* function called when app is stopping */
+
+void
+qla_edb_stop(scsi_qla_host_t *vha)
+{
+ unsigned long flags;
+ struct edb_node *node, *q;
+
+ if (DBELL_INACTIVE(vha)) {
+ /* 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);
+ }
+ spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
+
+ qla_edif_dbell_bsg_done(vha);
+}
+
+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 (DBELL_INACTIVE(vha)) {
+ /* 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);
+
+ 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 (DBELL_INACTIVE(vha)) {
+ 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;
+ edbnode->u.sa_aen.version = EDIF_VERSION1;
+ break;
+ default:
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s unknown type: %x\n", __func__, dbtype);
+ kfree(edbnode);
+ edbnode = NULL;
+ break;
+ }
+
+ if (edbnode) {
+ if (!qla_edb_node_add(vha, edbnode)) {
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s unable to add dbnode\n", __func__);
+ kfree(edbnode);
+ return;
+ }
+ ql_dbg(ql_dbg_edif, vha, 0x09102,
+ "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode);
+ qla_edif_dbell_bsg_done(vha);
+ if (fcport)
+ fcport->edif.auth_state = dbtype;
+ }
+}
+
+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 (DBELL_INACTIVE(vha) &&
+ 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;
+ }
+ }
+
+ if (vha->e_dbell.dbell_bsg_job && time_after_eq(jiffies, vha->e_dbell.bsg_expire))
+ qla_edif_dbell_bsg_done(vha);
+}
+
+static void qla_noop_sp_done(srb_t *sp, int res)
+{
+ sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+/*
+ * 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");
+ rval = -ENOMEM;
+ return rval;
+ }
+
+ 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");
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ 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) {
+ goto done_free_sp;
+ }
+
+ return rval;
+done_free_sp:
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ 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;
+ a.ox_id = le16_to_cpu(p->ox_id);
+
+ 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 > ELS_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_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;
+
+ a.sid = purex->pur_info.pur_did;
+
+ 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 (DBELL_INACTIVE(vha)) {
+ 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;
+ }
+
+ if (fcport && EDIF_SESSION_DOWN(fcport)) {
+ ql_dbg(ql_dbg_edif, host, 0x13b6,
+ "%s terminate exchange. Send logo to 0x%x\n",
+ __func__, a.did.b24);
+
+ a.tx_byte_count = a.tx_len = 0;
+ a.tx_addr = 0;
+ a.control_flags = EPD_RX_XCHG; /* EPD_RX_XCHG = terminate cmd */
+ qla_els_reject_iocb(host, (*rsp)->qpair, &a);
+ qla_enode_free(host, ptr);
+ /* send logo to let remote port knows to tear down session */
+ fcport->send_els_logo = 1;
+ qlt_schedule_sess_for_deletion(fcport);
+ 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, purex->pur_info.pur_rx_xchg_address);
+
+ 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);
+
+ sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+ sp->iores.exch_cnt = 1;
+ sp->iores.iocb_cnt = req_cnt;
+ if (qla_get_fw_resources(sp->qpair, &sp->iores))
+ goto queuing_error;
+
+ 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;
+ }
+ qla_put_fw_resources(sp->qpair, &sp->iores);
+ 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 edif_sa_index_entry *entry, *tmp;
+
+ list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) {
+ list_del(&entry->next);
+ kfree(entry);
+ }
+
+ list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, 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), cnt;
+ port_id_t d_id;
+ struct qla_bsg_auth_els_request *p =
+ (struct qla_bsg_auth_els_request *)bsg_job->request;
+ struct qla_bsg_auth_els_reply *rpl =
+ (struct qla_bsg_auth_els_reply *)bsg_job->reply;
+
+ rpl->version = EDIF_VERSION1;
+
+ 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 (EDIF_SESS_DELETE(fcport)) {
+ 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;
+
+ cnt = 0;
+retry:
+ rval = qla2x00_start_sp(sp);
+ switch (rval) {
+ case QLA_SUCCESS:
+ 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);
+ break;
+ case EAGAIN:
+ msleep(EDIF_MSLEEP_INTERVAL);
+ cnt++;
+ if (cnt < EDIF_RETRY_COUNT)
+ goto retry;
+ fallthrough;
+ default:
+ ql_log(ql_log_warn, vha, 0x700e,
+ "%s qla2x00_start_sp failed = %d\n", __func__, 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)
+{
+ u16 cnt = 0;
+
+ if (sess->edif.app_sess_online && DBELL_ACTIVE(vha)) {
+ 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;
+ sess->edif.sess_down_acked = 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);
+
+ while (!READ_ONCE(sess->edif.sess_down_acked) &&
+ !test_bit(VPORT_DELETE, &vha->dpc_flags)) {
+ msleep(100);
+ cnt++;
+ if (cnt > 100)
+ break;
+ }
+ sess->edif.sess_down_acked = 0;
+ ql_dbg(ql_dbg_disc, vha, 0xf09c,
+ "%s: sess %8phN port_offline event completed\n",
+ __func__, sess->port_name);
+ }
+}
+
+void qla_edif_clear_appdata(struct scsi_qla_host *vha, struct fc_port *fcport)
+{
+ if (!(fcport->flags & FCF_FCSP_DEVICE))
+ return;
+
+ qla_edb_clear(vha, fcport->d_id);
+ qla_enode_clear(vha, fcport->d_id);
+}