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path: root/drivers/scsi/bfa/bfa_tskim.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_tskim.c')
-rw-r--r--drivers/scsi/bfa/bfa_tskim.c689
1 files changed, 689 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_tskim.c b/drivers/scsi/bfa/bfa_tskim.c
new file mode 100644
index 0000000..010d40d
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_tskim.c
@@ -0,0 +1,689 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <bfa.h>
+#include <bfa_cb_ioim_macros.h>
+
+BFA_TRC_FILE(HAL, TSKIM);
+
+/**
+ * task management completion handling
+ */
+#define bfa_tskim_qcomp(__tskim, __cbfn) do { \
+ bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim)); \
+ bfa_tskim_notify_comp(__tskim); \
+} while (0)
+
+#define bfa_tskim_notify_comp(__tskim) do { \
+ if ((__tskim)->notify) \
+ bfa_itnim_tskdone((__tskim)->itnim); \
+} while (0)
+
+/*
+ * forward declarations
+ */
+static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete);
+static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete);
+static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim,
+ lun_t lun);
+static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim);
+static void bfa_tskim_cleanp_comp(void *tskim_cbarg);
+static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim);
+static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim);
+static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim);
+static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim);
+
+/**
+ * bfa_tskim_sm
+ */
+
+enum bfa_tskim_event {
+ BFA_TSKIM_SM_START = 1, /* TM command start */
+ BFA_TSKIM_SM_DONE = 2, /* TM completion */
+ BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */
+ BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */
+ BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */
+ BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */
+ BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */
+ BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */
+};
+
+static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event);
+
+/**
+ * Task management command beginning state.
+ */
+static void
+bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_START:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_active);
+ bfa_tskim_gather_ios(tskim);
+
+ /**
+ * If device is offline, do not send TM on wire. Just cleanup
+ * any pending IO requests and complete TM request.
+ */
+ if (!bfa_itnim_is_online(tskim->itnim)) {
+ bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
+ tskim->tsk_status = BFI_TSKIM_STS_OK;
+ bfa_tskim_cleanup_ios(tskim);
+ return;
+ }
+
+ if (!bfa_tskim_send(tskim)) {
+ bfa_sm_set_state(tskim, bfa_tskim_sm_qfull);
+ bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
+ &tskim->reqq_wait);
+ }
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * brief
+ * TM command is active, awaiting completion from firmware to
+ * cleanup IO requests in TM scope.
+ */
+static void
+bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_DONE:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
+ bfa_tskim_cleanup_ios(tskim);
+ break;
+
+ case BFA_TSKIM_SM_CLEANUP:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
+ if (!bfa_tskim_send_abort(tskim)) {
+ bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull);
+ bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
+ &tskim->reqq_wait);
+ }
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_tskim_iocdisable_ios(tskim);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * An active TM is being cleaned up since ITN is offline. Awaiting cleanup
+ * completion event from firmware.
+ */
+static void
+bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_DONE:
+ /**
+ * Ignore and wait for ABORT completion from firmware.
+ */
+ break;
+
+ case BFA_TSKIM_SM_CLEANUP_DONE:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
+ bfa_tskim_cleanup_ios(tskim);
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_tskim_iocdisable_ios(tskim);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+static void
+bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_IOS_DONE:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done);
+ break;
+
+ case BFA_TSKIM_SM_CLEANUP:
+ /**
+ * Ignore, TM command completed on wire.
+ * Notify TM conmpletion on IO cleanup completion.
+ */
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_tskim_iocdisable_ios(tskim);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * Task management command is waiting for room in request CQ
+ */
+static void
+bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_QRESUME:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_active);
+ bfa_tskim_send(tskim);
+ break;
+
+ case BFA_TSKIM_SM_CLEANUP:
+ /**
+ * No need to send TM on wire since ITN is offline.
+ */
+ bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
+ bfa_reqq_wcancel(&tskim->reqq_wait);
+ bfa_tskim_cleanup_ios(tskim);
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_reqq_wcancel(&tskim->reqq_wait);
+ bfa_tskim_iocdisable_ios(tskim);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * Task management command is active, awaiting for room in request CQ
+ * to send clean up request.
+ */
+static void
+bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
+ enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_DONE:
+ bfa_reqq_wcancel(&tskim->reqq_wait);
+ /**
+ *
+ * Fall through !!!
+ */
+
+ case BFA_TSKIM_SM_QRESUME:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
+ bfa_tskim_send_abort(tskim);
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
+ bfa_reqq_wcancel(&tskim->reqq_wait);
+ bfa_tskim_iocdisable_ios(tskim);
+ bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+/**
+ * BFA callback is pending
+ */
+static void
+bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
+{
+ bfa_trc(tskim->bfa, event);
+
+ switch (event) {
+ case BFA_TSKIM_SM_HCB:
+ bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
+ bfa_tskim_free(tskim);
+ break;
+
+ case BFA_TSKIM_SM_CLEANUP:
+ bfa_tskim_notify_comp(tskim);
+ break;
+
+ case BFA_TSKIM_SM_HWFAIL:
+ break;
+
+ default:
+ bfa_assert(0);
+ }
+}
+
+
+
+/**
+ * bfa_tskim_private
+ */
+
+static void
+__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete)
+{
+ struct bfa_tskim_s *tskim = cbarg;
+
+ if (!complete) {
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
+ return;
+ }
+
+ bfa_stats(tskim->itnim, tm_success);
+ bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status);
+}
+
+static void
+__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete)
+{
+ struct bfa_tskim_s *tskim = cbarg;
+
+ if (!complete) {
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
+ return;
+ }
+
+ bfa_stats(tskim->itnim, tm_failures);
+ bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk,
+ BFI_TSKIM_STS_FAILED);
+}
+
+static bfa_boolean_t
+bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun)
+{
+ switch (tskim->tm_cmnd) {
+ case FCP_TM_TARGET_RESET:
+ return BFA_TRUE;
+
+ case FCP_TM_ABORT_TASK_SET:
+ case FCP_TM_CLEAR_TASK_SET:
+ case FCP_TM_LUN_RESET:
+ case FCP_TM_CLEAR_ACA:
+ return (tskim->lun == lun);
+
+ default:
+ bfa_assert(0);
+ }
+
+ return BFA_FALSE;
+}
+
+/**
+ * Gather affected IO requests and task management commands.
+ */
+static void
+bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
+{
+ struct bfa_itnim_s *itnim = tskim->itnim;
+ struct bfa_ioim_s *ioim;
+ struct list_head *qe, *qen;
+
+ INIT_LIST_HEAD(&tskim->io_q);
+
+ /**
+ * Gather any active IO requests first.
+ */
+ list_for_each_safe(qe, qen, &itnim->io_q) {
+ ioim = (struct bfa_ioim_s *) qe;
+ if (bfa_tskim_match_scope
+ (tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
+ list_del(&ioim->qe);
+ list_add_tail(&ioim->qe, &tskim->io_q);
+ }
+ }
+
+ /**
+ * Failback any pending IO requests immediately.
+ */
+ list_for_each_safe(qe, qen, &itnim->pending_q) {
+ ioim = (struct bfa_ioim_s *) qe;
+ if (bfa_tskim_match_scope
+ (tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
+ list_del(&ioim->qe);
+ list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
+ bfa_ioim_tov(ioim);
+ }
+ }
+}
+
+/**
+ * IO cleanup completion
+ */
+static void
+bfa_tskim_cleanp_comp(void *tskim_cbarg)
+{
+ struct bfa_tskim_s *tskim = tskim_cbarg;
+
+ bfa_stats(tskim->itnim, tm_io_comps);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE);
+}
+
+/**
+ * Gather affected IO requests and task management commands.
+ */
+static void
+bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim)
+{
+ struct bfa_ioim_s *ioim;
+ struct list_head *qe, *qen;
+
+ bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim);
+
+ list_for_each_safe(qe, qen, &tskim->io_q) {
+ ioim = (struct bfa_ioim_s *) qe;
+ bfa_wc_up(&tskim->wc);
+ bfa_ioim_cleanup_tm(ioim, tskim);
+ }
+
+ bfa_wc_wait(&tskim->wc);
+}
+
+/**
+ * Send task management request to firmware.
+ */
+static bfa_boolean_t
+bfa_tskim_send(struct bfa_tskim_s *tskim)
+{
+ struct bfa_itnim_s *itnim = tskim->itnim;
+ struct bfi_tskim_req_s *m;
+
+ /**
+ * check for room in queue to send request now
+ */
+ m = bfa_reqq_next(tskim->bfa, itnim->reqq);
+ if (!m)
+ return BFA_FALSE;
+
+ /**
+ * build i/o request message next
+ */
+ bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ,
+ bfa_lpuid(tskim->bfa));
+
+ m->tsk_tag = bfa_os_htons(tskim->tsk_tag);
+ m->itn_fhdl = tskim->itnim->rport->fw_handle;
+ m->t_secs = tskim->tsecs;
+ m->lun = tskim->lun;
+ m->tm_flags = tskim->tm_cmnd;
+
+ /**
+ * queue I/O message to firmware
+ */
+ bfa_reqq_produce(tskim->bfa, itnim->reqq);
+ return BFA_TRUE;
+}
+
+/**
+ * Send abort request to cleanup an active TM to firmware.
+ */
+static bfa_boolean_t
+bfa_tskim_send_abort(struct bfa_tskim_s *tskim)
+{
+ struct bfa_itnim_s *itnim = tskim->itnim;
+ struct bfi_tskim_abortreq_s *m;
+
+ /**
+ * check for room in queue to send request now
+ */
+ m = bfa_reqq_next(tskim->bfa, itnim->reqq);
+ if (!m)
+ return BFA_FALSE;
+
+ /**
+ * build i/o request message next
+ */
+ bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ,
+ bfa_lpuid(tskim->bfa));
+
+ m->tsk_tag = bfa_os_htons(tskim->tsk_tag);
+
+ /**
+ * queue I/O message to firmware
+ */
+ bfa_reqq_produce(tskim->bfa, itnim->reqq);
+ return BFA_TRUE;
+}
+
+/**
+ * Call to resume task management cmnd waiting for room in request queue.
+ */
+static void
+bfa_tskim_qresume(void *cbarg)
+{
+ struct bfa_tskim_s *tskim = cbarg;
+
+ bfa_fcpim_stats(tskim->fcpim, qresumes);
+ bfa_stats(tskim->itnim, tm_qresumes);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME);
+}
+
+/**
+ * Cleanup IOs associated with a task mangement command on IOC failures.
+ */
+static void
+bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim)
+{
+ struct bfa_ioim_s *ioim;
+ struct list_head *qe, *qen;
+
+ list_for_each_safe(qe, qen, &tskim->io_q) {
+ ioim = (struct bfa_ioim_s *) qe;
+ bfa_ioim_iocdisable(ioim);
+ }
+}
+
+
+
+/**
+ * bfa_tskim_friend
+ */
+
+/**
+ * Notification on completions from related ioim.
+ */
+void
+bfa_tskim_iodone(struct bfa_tskim_s *tskim)
+{
+ bfa_wc_down(&tskim->wc);
+}
+
+/**
+ * Handle IOC h/w failure notification from itnim.
+ */
+void
+bfa_tskim_iocdisable(struct bfa_tskim_s *tskim)
+{
+ tskim->notify = BFA_FALSE;
+ bfa_stats(tskim->itnim, tm_iocdowns);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL);
+}
+
+/**
+ * Cleanup TM command and associated IOs as part of ITNIM offline.
+ */
+void
+bfa_tskim_cleanup(struct bfa_tskim_s *tskim)
+{
+ tskim->notify = BFA_TRUE;
+ bfa_stats(tskim->itnim, tm_cleanups);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP);
+}
+
+/**
+ * Memory allocation and initialization.
+ */
+void
+bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo)
+{
+ struct bfa_tskim_s *tskim;
+ u16 i;
+
+ INIT_LIST_HEAD(&fcpim->tskim_free_q);
+
+ tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo);
+ fcpim->tskim_arr = tskim;
+
+ for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) {
+ /*
+ * initialize TSKIM
+ */
+ bfa_os_memset(tskim, 0, sizeof(struct bfa_tskim_s));
+ tskim->tsk_tag = i;
+ tskim->bfa = fcpim->bfa;
+ tskim->fcpim = fcpim;
+ tskim->notify = BFA_FALSE;
+ bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume,
+ tskim);
+ bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
+
+ list_add_tail(&tskim->qe, &fcpim->tskim_free_q);
+ }
+
+ bfa_meminfo_kva(minfo) = (u8 *) tskim;
+}
+
+void
+bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim)
+{
+ /**
+ * @todo
+ */
+}
+
+void
+bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
+{
+ struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+ struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m;
+ struct bfa_tskim_s *tskim;
+ u16 tsk_tag = bfa_os_ntohs(rsp->tsk_tag);
+
+ tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag);
+ bfa_assert(tskim->tsk_tag == tsk_tag);
+
+ tskim->tsk_status = rsp->tsk_status;
+
+ /**
+ * Firmware sends BFI_TSKIM_STS_ABORTED status for abort
+ * requests. All other statuses are for normal completions.
+ */
+ if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) {
+ bfa_stats(tskim->itnim, tm_cleanup_comps);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE);
+ } else {
+ bfa_stats(tskim->itnim, tm_fw_rsps);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE);
+ }
+}
+
+
+
+/**
+ * bfa_tskim_api
+ */
+
+
+struct bfa_tskim_s *
+bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk)
+{
+ struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+ struct bfa_tskim_s *tskim;
+
+ bfa_q_deq(&fcpim->tskim_free_q, &tskim);
+
+ if (!tskim)
+ bfa_fcpim_stats(fcpim, no_tskims);
+ else
+ tskim->dtsk = dtsk;
+
+ return tskim;
+}
+
+void
+bfa_tskim_free(struct bfa_tskim_s *tskim)
+{
+ bfa_assert(bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe));
+ list_del(&tskim->qe);
+ list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q);
+}
+
+/**
+ * Start a task management command.
+ *
+ * @param[in] tskim BFA task management command instance
+ * @param[in] itnim i-t nexus for the task management command
+ * @param[in] lun lun, if applicable
+ * @param[in] tm_cmnd Task management command code.
+ * @param[in] t_secs Timeout in seconds
+ *
+ * @return None.
+ */
+void
+bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun,
+ enum fcp_tm_cmnd tm_cmnd, u8 tsecs)
+{
+ tskim->itnim = itnim;
+ tskim->lun = lun;
+ tskim->tm_cmnd = tm_cmnd;
+ tskim->tsecs = tsecs;
+ tskim->notify = BFA_FALSE;
+ bfa_stats(itnim, tm_cmnds);
+
+ list_add_tail(&tskim->qe, &itnim->tsk_q);
+ bfa_sm_send_event(tskim, BFA_TSKIM_SM_START);
+}
+
+
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