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/*      -*- linux-c -*-
 *
 * Copyright (c) 2003 by Intel Corp.
 *
 * 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.  This
 * file and program are licensed under a BSD style license.  See
 * the Copying file included with the OpenHPI distribution for
 * full licensing terms.
 *
 * Authors:
 *     Louis Zhuang <louis.zhuang@linux.intel.com>
 *     Racing Guo <racing.guo@intel.com>
 */

#include "ipmi.h"
#include <oh_utils.h>
#include <string.h>


static
SaHpiHsStateT _ipmi_to_hpi_state_conv(enum ipmi_hot_swap_states ipmi_state)
{
        SaHpiHsStateT state = 0;
        switch (ipmi_state) {
                case IPMI_HOT_SWAP_NOT_PRESENT:
                case IPMI_HOT_SWAP_OUT_OF_CON:
                        state = SAHPI_HS_STATE_NOT_PRESENT;
                        break;
                case IPMI_HOT_SWAP_INACTIVE:
                        state = SAHPI_HS_STATE_INACTIVE;
                        break;
                case IPMI_HOT_SWAP_ACTIVATION_REQUESTED:
                case IPMI_HOT_SWAP_ACTIVATION_IN_PROGRESS:
                        state = SAHPI_HS_STATE_INSERTION_PENDING;
                        break;
                case IPMI_HOT_SWAP_ACTIVE:
                        state = SAHPI_HS_STATE_ACTIVE;
                        break;
                case IPMI_HOT_SWAP_DEACTIVATION_REQUESTED:
                case IPMI_HOT_SWAP_DEACTIVATION_IN_PROGRESS:
                        state = SAHPI_HS_STATE_EXTRACTION_PENDING;
                        break;
#if 0
                case IPMI_HOT_SWAP_OUT_OF_CON:
                        state = SAHPI_HS_STATE_ACTIVE_UNHEALTHY;
                        break;
#endif
                default:
                        err("Unknown state: %d", ipmi_state);
        }
        return state;
}

static
enum ipmi_hot_swap_states _hpi_to_ipmi_state_conv(SaHpiHsStateT hpi_state)
{
        enum ipmi_hot_swap_states state = 0;
        switch (hpi_state) {
                case SAHPI_HS_STATE_NOT_PRESENT:
                        state = IPMI_HOT_SWAP_NOT_PRESENT;
                        break;
                case SAHPI_HS_STATE_INACTIVE:
                        state = IPMI_HOT_SWAP_INACTIVE;
                        break;
                case SAHPI_HS_STATE_INSERTION_PENDING:
                        state = IPMI_HOT_SWAP_ACTIVATION_IN_PROGRESS;
                        break;
                case SAHPI_HS_STATE_ACTIVE:
                        state = IPMI_HOT_SWAP_ACTIVE;
                        break;
                case SAHPI_HS_STATE_EXTRACTION_PENDING:
                        state = IPMI_HOT_SWAP_DEACTIVATION_IN_PROGRESS;
                        break;
                default:
                        err("Unknown state: %d", hpi_state);
        }
        return state;
}



static SaHpiSeverityT get_severity(enum ipmi_hot_swap_states prev,
                                   enum ipmi_hot_swap_states curr,
                                   SaHpiRptEntryT  *rpt,
				   struct ohoi_resource_info   *res_info)
{
	unsigned char hs_mark = 0;

	if (res_info) {
		hs_mark = res_info->hs_mark;
		res_info->hs_mark = 0;
	}
	if ((prev == IPMI_HOT_SWAP_ACTIVATION_IN_PROGRESS) &&
			(curr == IPMI_HOT_SWAP_INACTIVE)) {
		return rpt->ResourceSeverity;
	}
	if ((prev != IPMI_HOT_SWAP_INACTIVE) &&
			(curr == IPMI_HOT_SWAP_NOT_PRESENT)) {
		return rpt->ResourceSeverity;
	}
	if (hs_mark && (prev == IPMI_HOT_SWAP_DEACTIVATION_IN_PROGRESS) &&
			(curr == IPMI_HOT_SWAP_INACTIVE)) {
		return rpt->ResourceSeverity;
	}
	return SAHPI_INFORMATIONAL;
}


static unsigned char _ipmi_to_hpi_cause_of_change_conv(unsigned char cause)
{
	switch (cause) {
		case 0x00: return 0;
		case 0x03: return 1;
		case 0x02: return 2;
		case 0x07: return 3;
		case 0x09: return 4;
		case 0x06: return 5;
		case 0x08: return 6;
		case 0x0f:
		default:   return 7;
	}
}








int ohoi_hot_swap_cb(ipmi_entity_t  *ent,
		     enum ipmi_hot_swap_states last_state,
                     enum ipmi_hot_swap_states curr_state,
		     void                      *cb_data,
		     ipmi_event_t              *event)
{
	struct oh_handler_state *handler =  (struct oh_handler_state*)cb_data;
	struct ohoi_handler *ipmi_handler =
					(struct ohoi_handler *)handler->data;
	ipmi_entity_id_t entity_id;
	SaHpiRptEntryT  *rpt_entry;
        struct ohoi_resource_info   *res_info;
	struct oh_event  *e;

#if 0
if (event) {
unsigned char	data[IPMI_EVENT_DATA_MAX_LEN];
unsigned int	dt_len, i;
printf("event body : ");
dt_len = ipmi_event_get_data(event, data, 0, IPMI_EVENT_DATA_MAX_LEN);
for (i =0; i < dt_len; i++) printf(" 0x%02x", data[i]);
printf("\n");
}
#endif



	if (getenv("OHOI_TRACE_HOTSWAP") || IHOI_TRACE_ALL) {
		printf(" *** Hotswap HANDLER for entity %d,%d,%d,%d "
			"(%s). states 0x%x -> 0x%x.    entity = %p\n",
			ipmi_entity_get_entity_id(ent),
			ipmi_entity_get_entity_instance(ent),
			ipmi_entity_get_device_channel(ent),
			ipmi_entity_get_device_address(ent),
			ipmi_entity_get_entity_id_string(ent),
			last_state, curr_state, ent);
	}
	trace_ipmi("HotSwap Handler called");

	entity_id = ipmi_entity_convert_to_id(ent);

	rpt_entry = ohoi_get_resource_by_entityid(handler->rptcache, &entity_id);

	if (!rpt_entry) {
		err(" No rpt\n");
		return IPMI_EVENT_HANDLED;
	}
        res_info = oh_get_resource_data(handler->rptcache, rpt_entry->ResourceId);
	if ((last_state == IPMI_HOT_SWAP_ACTIVATION_IN_PROGRESS) &&
			(curr_state == IPMI_HOT_SWAP_DEACTIVATION_IN_PROGRESS)) {
		if (res_info) {
			res_info->hs_mark = 1;
		}
		return IPMI_EVENT_HANDLED;
	}
	e = malloc(sizeof(*e));
	if (!e) {
		err("Out of space");
		return IPMI_EVENT_HANDLED;
	}

	memset(e, 0, sizeof(*e));
	e->event.Source = rpt_entry->ResourceId;
	if ((curr_state == IPMI_HOT_SWAP_OUT_OF_CON) &&
			(last_state != IPMI_HOT_SWAP_NOT_PRESENT)) {
		// special case. connection to entity lost
		rpt_entry->ResourceFailed = SAHPI_TRUE;
		e->event.EventType = SAHPI_ET_RESOURCE;
		e->event.Severity = rpt_entry->ResourceSeverity;
		oh_gettimeofday(&e->event.Timestamp);
		e->event.Source = rpt_entry->ResourceId;
		e->event.EventDataUnion.ResourceEvent.
			ResourceEventType = SAHPI_RESE_RESOURCE_FAILURE;
		e->resource = *rpt_entry;
                e->hid = handler->hid;
                oh_evt_queue_push(handler->eventq, e);
		if (!IS_ATCA(ipmi_handler->d_type)) {
			return IPMI_EVENT_HANDLED;
		}
		if (ipmi_entity_get_entity_id(ent) == 0xf0) {
			// Shelf Manager. Handle ShM Redundancy Sensor
			if (ipmi_handler->fully_up) {
				ipmi_handler->shmc_present_num--;
				ohoi_send_vshmgr_redundancy_sensor_event(
						handler, 0);
			}
		}
		return IPMI_EVENT_HANDLED;
	}

	if ((curr_state != IPMI_HOT_SWAP_OUT_OF_CON) &&
			rpt_entry->ResourceFailed) {
		// special case
		rpt_entry->ResourceFailed = SAHPI_FALSE;
		if (curr_state != IPMI_HOT_SWAP_NOT_PRESENT) {
			// connection to entity restored
			e->event.EventType = SAHPI_ET_RESOURCE;
			e->event.Severity = rpt_entry->ResourceSeverity;
			oh_gettimeofday(&e->event.Timestamp);
			e->event.Source = rpt_entry->ResourceId;
			e->event.EventDataUnion.ResourceEvent.
				ResourceEventType = SAHPI_RESE_RESOURCE_RESTORED;
			e->resource = *rpt_entry;
			e->hid = handler->hid;
                        oh_evt_queue_push(handler->eventq, e);
			if (!IS_ATCA(ipmi_handler->d_type)) {
				return IPMI_EVENT_HANDLED;
			}
			if (ipmi_entity_get_entity_id(ent) == 0xf0) {
				// Shelf Manager. Handle ShM Redundancy Sensor
				if (ipmi_handler->fully_up) {
					ipmi_handler->shmc_present_num++;
					ohoi_send_vshmgr_redundancy_sensor_event(
						handler, 1);
				}
			}
			return IPMI_EVENT_HANDLED;
		}
		// XXX here must be handled M7->M0 transition
	}

	e->event.Source = rpt_entry->ResourceId;
	e->event.EventType = SAHPI_ET_HOTSWAP;
	e->event.Severity = get_severity(last_state, curr_state,
					rpt_entry, res_info);


	if (event != NULL) {
	      	e->event.Timestamp =
		    (SaHpiTimeT)ipmi_event_get_timestamp(event);
	} else {
	      	e->event.Timestamp = SAHPI_TIME_UNSPECIFIED;
	}
	if (e->event.Timestamp == SAHPI_TIME_UNSPECIFIED) {
		oh_gettimeofday(&e->event.Timestamp);
	}


	e->event.EventDataUnion.HotSwapEvent.HotSwapState
			= _ipmi_to_hpi_state_conv(curr_state);
	e->event.EventDataUnion.HotSwapEvent.PreviousHotSwapState
			= _ipmi_to_hpi_state_conv(last_state);

	e->resource = *rpt_entry;

	if (e->event.EventDataUnion.HotSwapEvent.PreviousHotSwapState ==
		e->event.EventDataUnion.HotSwapEvent.HotSwapState) {
		free(e);
		return IPMI_EVENT_HANDLED;
	}
	if (e->event.EventDataUnion.HotSwapEvent.HotSwapState ==
					SAHPI_HS_STATE_INSERTION_PENDING) {
		res_info->hs_inspen_time = e->event.Timestamp;
	} else {
		res_info->hs_inspen_time = SAHPI_TIME_UNSPECIFIED;
	}
	if (e->event.EventDataUnion.HotSwapEvent.HotSwapState ==
	    					SAHPI_HS_STATE_NOT_PRESENT) {
		trace_ipmi("HS_STATE NOT PRESENT, removing RPT");
	  	e->hid = handler->hid;
                oh_evt_queue_push(handler->eventq, e);
	}else if (e->event.EventDataUnion.HotSwapEvent.HotSwapState ==
			SAHPI_HS_STATE_ACTIVE) {
		trace_ipmi("HS_STATE ACTIVE");
		e->hid = handler->hid;
                oh_evt_queue_push(handler->eventq, e);
	}else {
	  	e->hid = handler->hid;
                oh_evt_queue_push(handler->eventq, e);
	}
//	oh_wake_event_thread(0);
	if (!IS_ATCA(ipmi_handler->d_type) || !event) {
		return IPMI_EVENT_HANDLED;
	}

	unsigned char	data[IPMI_EVENT_DATA_MAX_LEN];
	unsigned int	dt_len;

	dt_len = ipmi_event_get_data(event, data, 0, IPMI_EVENT_DATA_MAX_LEN);
	if (dt_len < 12) {
		err("event data len (%d) too short", dt_len);
		return IPMI_EVENT_HANDLED;
	}

	e = malloc(sizeof(*e));
	if (!e) {
		err("Out of space");
		return IPMI_EVENT_HANDLED;
	}
	memset(e, 0, sizeof(*e));

	e->resource = *rpt_entry;
	e->event.Source = rpt_entry->ResourceId;
	e->event.Timestamp =
		    (SaHpiTimeT)ipmi_event_get_timestamp(event);
	e->event.Severity = SAHPI_INFORMATIONAL;
	e->event.EventType = SAHPI_ET_OEM;
	e->event.EventDataUnion.OemEvent.MId = ATCAHPI_PICMG_MID;
	e->event.EventDataUnion.OemEvent.OemEventData.DataType =
					SAHPI_TL_TYPE_TEXT;
	e->event.EventDataUnion.OemEvent.OemEventData.Language =
					SAHPI_LANG_UNDEF;
	e->event.EventDataUnion.OemEvent.OemEventData.DataLength =
					 3;
	e->event.EventDataUnion.OemEvent.OemEventData.Data[0] =
					_ipmi_to_hpi_state_conv(curr_state);
	e->event.EventDataUnion.OemEvent.OemEventData.Data[1] =
					_ipmi_to_hpi_state_conv(last_state);
	e->event.EventDataUnion.OemEvent.OemEventData.Data[2] =
			_ipmi_to_hpi_cause_of_change_conv(data[11] >> 4);

	e->hid = handler->hid;
        oh_evt_queue_push(handler->eventq, e);

	return IPMI_EVENT_HANDLED;

}



		/*    GET HOTSWAP STATE */


typedef struct {
	int done;
	SaErrorT err;
	enum ipmi_hot_swap_states ipmi_state;
} get_hs_state_t;


static
void _get_hotswap_state(ipmi_entity_t             *ent,
                       int                       err,
                       enum ipmi_hot_swap_states state,
                       void                      *cb_data)
{
	get_hs_state_t *info = cb_data;
	if (err) {
		err("_get_hotswap_state. err = 0x%x", err);
		err = SA_ERR_HPI_INVALID_CMD;
	} else {
        	info->ipmi_state = state;
	}
	info->done = 1;
}

SaErrorT ohoi_get_hotswap_state(void *hnd, SaHpiResourceIdT id,
                                SaHpiHsStateT *state)
{
        struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
	get_hs_state_t info;

        int rv;

        handler = (struct oh_handler_state *)hnd;
        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);
        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get sel in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

	info.done = 0;
	info.err = SA_OK;
        rv = ipmi_entity_id_get_hot_swap_state(ohoi_res_info->u.entity.entity_id,
                                               _get_hotswap_state,
                                               &info);
        if (rv) {
                err("Unable to get hotswap state: %d", rv);
                return SA_ERR_HPI_INVALID_CMD;
        }

        rv = ohoi_loop(&info.done, handler->data);
	if (rv) {
		err("ohoi_loop returned %d", rv);
		return rv;
	}
	if (info.err != SA_OK) {
		err("info.err = %d", info.err);
		return info.err;
	}
        *state = _ipmi_to_hpi_state_conv(info.ipmi_state);
        return SA_OK;
}



		/*   SET HOTSWAP STATE  */

struct hs_done_s {
	int done;
	int err;
};


static void _hotswap_done(ipmi_entity_t *ent,
                          int           err,
                          void          *cb_data)
{
	struct hs_done_s *info = cb_data;

	if (err) {
		err("err = 0x%x", err);
	}
	info->err = err;
	info->done = 1;
}

SaErrorT ohoi_set_hotswap_state(void *hnd, SaHpiResourceIdT id,
                                SaHpiHsStateT state)
{
        struct oh_handler_state *handler = (struct oh_handler_state *)hnd;
	struct ohoi_handler *ipmi_handler = handler->data;
        const struct ohoi_resource_info   *ohoi_res_info;
	struct hs_done_s info;
	SaErrorT rv;


        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);

        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get sel in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

	info.done = 0;
	info.err = 0;
        switch (_hpi_to_ipmi_state_conv(state)) {
                case IPMI_HOT_SWAP_ACTIVE:
                         ipmi_entity_id_activate(ohoi_res_info->u.entity.entity_id,
                                                 _hotswap_done,
                                                 &info);
                         break;
                case IPMI_HOT_SWAP_INACTIVE:
                         ipmi_entity_id_deactivate(ohoi_res_info->u.entity.entity_id,
                                                   _hotswap_done,
                                                   &info);
                         break;
                default:
                         err("Unable set hotswap state: %d", state);
                         return SA_ERR_HPI_INVALID_CMD;
        }

        rv = ohoi_loop(&info.done, ipmi_handler);
	if (rv != SA_OK) {
		return rv;
	}
	if (info.err) {
		return SA_ERR_HPI_INVALID_CMD;
	}
	return SA_OK;
}



		/*    REQUEST HOTSWAP ACTION */



static void activation_request(ipmi_entity_t *ent, void *cb_data)
{
	int rv;
	struct hs_done_s *info = cb_data;

	rv = ipmi_entity_set_activation_requested(ent, _hotswap_done,
					cb_data);

	if (rv == ENOSYS) {
		err("ipmi_entity_set_activation_requested = ENOSYS. "
		    "Use ipmi_entity_activate");
		rv = ipmi_entity_activate(ent, _hotswap_done, cb_data);
	}
	if (rv) {
		err("ipmi_entity_set_activation_requested = 0x%x", rv);
		info->done = 1;
		info->err = -1;
	}
}

static void deactivation_request(ipmi_entity_t *ent, void *cb_data)
{
	int rv;
	struct hs_done_s *info = cb_data;

	rv = ipmi_entity_deactivate(ent, _hotswap_done,
					cb_data);
	if (rv) {
		err("ipmi_entity_set_activation_requested = 0x%x", rv);
		info->done = 1;
		info->err = -1;
	}
}

SaErrorT ohoi_request_hotswap_action(void *hnd, SaHpiResourceIdT id,
                                     SaHpiHsActionT act)
{
       struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
	struct hs_done_s info;
	SaErrorT rv;

        handler = (struct oh_handler_state *)hnd;
	struct ohoi_handler *ipmi_handler = handler->data;

        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);

        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get sel in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

	info.done = 0;
	info.err = 0;

	switch (act) {
	case SAHPI_HS_ACTION_INSERTION:
		rv = ipmi_entity_pointer_cb(ohoi_res_info->u.entity.entity_id,
						activation_request, &info);
		if (rv) {
			err("ipmi_entity_pointer_cb = 0x%x", rv);
			return SA_ERR_HPI_INVALID_PARAMS;
		}
		break;
	case SAHPI_HS_ACTION_EXTRACTION:
		rv = ipmi_entity_pointer_cb(ohoi_res_info->u.entity.entity_id,
						deactivation_request, &info);
		if (rv) {
			err("ipmi_entity_pointer_cb = 0x%x", rv);
			return SA_ERR_HPI_INVALID_PARAMS;
		}
		break;
        	//return SA_ERR_HPI_UNSUPPORTED_API;
	default :
		return SA_ERR_HPI_INVALID_PARAMS;
	}

	rv = ohoi_loop(&info.done, ipmi_handler);
	if (rv != SA_OK) {
		return rv;
	}
	if (info.err) {
		return SA_ERR_HPI_INVALID_REQUEST;
	}
	return SA_OK;
}



#if 0
SaErrorT ohoi_get_indicator_state(void *hnd, SaHpiResourceIdT id,
                                  SaHpiHsIndicatorStateT *state)
{
        struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
	SaHpiCtrlStateT c_state;
        SaErrorT rv;

        handler = (struct oh_handler_state *)hnd;
        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);
        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get HS in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

	rv = ohoi_get_control_state(hnd, id, ohoi_res_info->hotswapind,
			NULL, &c_state);
	if (rv != SA_OK) {
		return rv;
	}

	if (c_state.StateUnion.Oem.Body[1] == 0) {
		*state = SAHPI_HS_INDICATOR_OFF;
	} else {
		*state = SAHPI_HS_INDICATOR_ON;
	}
	return SA_OK;
}


SaErrorT ohoi_set_indicator_state(void *hnd, SaHpiResourceIdT id,
				  SaHpiHsIndicatorStateT state)
{
        struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
	SaErrorT rv;
	SaHpiCtrlStateT c_state;
	SaHpiCtrlModeT mode;

        handler = (struct oh_handler_state *)hnd;
        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);
        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to set HS in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }
	rv = ohoi_get_control_state(hnd, id, ohoi_res_info->hotswapind,
			&mode, &c_state);
	if (rv != SA_OK) {
		return rv;
	}
	if (state == SAHPI_HS_INDICATOR_OFF) {
		c_state.StateUnion.Oem.Body[0] = 1;
		c_state.StateUnion.Oem.Body[1] = 0;
	} else if (state == SAHPI_HS_INDICATOR_ON) {
		c_state.StateUnion.Oem.Body[0] = 0;
		c_state.StateUnion.Oem.Body[1] = 1;
	} else {
		return SA_ERR_HPI_INVALID_PARAMS;
	}

	rv = ohoi_set_control_state(hnd, id, ohoi_res_info->hotswapind,
			SAHPI_CTRL_MODE_MANUAL, &c_state);
	if ((rv == SA_OK) && (mode == SAHPI_CTRL_MODE_AUTO)) {
		ohoi_set_control_state(hnd, id, ohoi_res_info->hotswapind,
			SAHPI_CTRL_MODE_AUTO, NULL);
	}

	return rv;
}

#endif




struct ohoi_indicator_state {
        int done;
        int val;
	int err;
};

static
void _get_indicator_state(ipmi_entity_t *ent,
                          int           err,
                          int           val,
                          void          *cb_data)
{
        struct ohoi_indicator_state *state;
        state = cb_data;

        if (state->err) {
		err("err = 0x%x", err);
	}
	state->err = err;
	state->done = 1;
        state->val  = val;
}

SaErrorT ohoi_set_indicator_state(void *hnd, SaHpiResourceIdT id,
				  SaHpiHsIndicatorStateT state)
{
        struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
	struct hs_done_s info;
	SaErrorT rv;

        handler = (struct oh_handler_state *)hnd;
		struct ohoi_handler *ipmi_handler = handler->data;

        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);
	        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get sel in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

        info.done = 0;
	info.err = 0;
        ipmi_entity_id_set_hot_swap_indicator(ohoi_res_info->u.entity.entity_id,
                                     state, _hotswap_done, &info);
        rv = ohoi_loop(&info.done,ipmi_handler);
	if (rv != SA_OK) {
		return rv;
	}
	if (info.err) {
		return SA_ERR_HPI_INVALID_CMD;
	}
	return SA_OK;
}


SaErrorT ohoi_get_indicator_state(void *hnd, SaHpiResourceIdT id,
                                  SaHpiHsIndicatorStateT *state)
{
        struct oh_handler_state         *handler;
        const struct ohoi_resource_info   *ohoi_res_info;
        struct ohoi_indicator_state     ipmi_state;
	SaErrorT rv;

        handler = (struct oh_handler_state *)hnd;
		struct ohoi_handler *ipmi_handler = handler->data;

        ohoi_res_info = oh_get_resource_data(handler->rptcache, id);
        if (!(ohoi_res_info->type & OHOI_RESOURCE_ENTITY)) {
                err("BUG: try to get HS in unsupported resource");
                return SA_ERR_HPI_INVALID_CMD;
        }

        ipmi_state.done = 0;
        rv = ipmi_entity_id_get_hot_swap_indicator(
				ohoi_res_info->u.entity.entity_id,
				_get_indicator_state, &ipmi_state);
	if(rv) {
		return SA_ERR_HPI_INTERNAL_ERROR;
	}

        rv = ohoi_loop(&ipmi_state.done, ipmi_handler);
        if (rv != SA_OK) {
                return rv;
	}

        *state = ipmi_state.val;
        return SA_OK;;
}


SaErrorT ohoi_hotswap_policy_cancel(void *hnd, SaHpiResourceIdT rid,
                                    SaHpiTimeoutT  ins_timeout)
{
	struct oh_handler_state         *handler = hnd;
	struct ohoi_handler *ipmi_handler = handler->data;
        struct ohoi_resource_info   *res_info;
	struct ohoi_control_info	*ctrl_info;
        SaHpiRptEntryT *rpt;
	SaHpiResourceIdT prid;
	SaHpiTimeoutT curtime;
	SaErrorT rv;

	if (!IS_ATCA(ipmi_handler->d_type)) {
		return SA_OK;
	}
        rpt = oh_get_resource_by_id(handler->rptcache, rid);
        if (rpt == NULL) {
        	err("No rpt for id = %d", rid);
		return SA_ERR_HPI_INTERNAL_ERROR;
	}

	// get parent (slot) rpt

	prid = ohoi_get_parent_id(rpt);
        rv = ohoi_get_rdr_data(hnd, prid, SAHPI_CTRL_RDR,
		ATCAHPI_CTRL_NUM_FRU_ACTIVATION, (void *)&ctrl_info);

	if (rv != SA_OK) {
		err("NO FRU Activation Control");
		return SA_ERR_HPI_INVALID_REQUEST;
	}

	if (ctrl_info->mode == SAHPI_CTRL_MODE_AUTO) {
		err("mode == AUTO");
		return SA_ERR_HPI_INVALID_REQUEST;
	}

	res_info = oh_get_resource_data(handler->rptcache, rid);
	if (res_info == NULL) {
		err("no res_info");
		return SA_ERR_HPI_INTERNAL_ERROR;
	}
	if (ins_timeout == SAHPI_TIMEOUT_BLOCK) {
		return SA_OK;
	}
	if (res_info->hs_inspen_time == SAHPI_TIME_UNSPECIFIED) {
		// time of last insertion pending state unknown
		err("time of last insertion pending state unknown");
		return SA_ERR_HPI_INVALID_REQUEST;
	}
	if (ins_timeout == SAHPI_TIMEOUT_IMMEDIATE) {
		err("ins_timeout == SAHPI_TIMEOUT_IMMEDIATE");
		return SA_ERR_HPI_INVALID_REQUEST;
	}
	oh_gettimeofday(&curtime);
	if (res_info->hs_inspen_time + ins_timeout > curtime) {
		err("time expired");
		return SA_ERR_HPI_INVALID_REQUEST;
	}
	return SA_OK;
}



void * oh_get_hotswap_state (void *, SaHpiResourceIdT, SaHpiHsStateT *)
                __attribute__ ((weak, alias("ohoi_get_hotswap_state")));

void * oh_set_hotswap_state (void *, SaHpiResourceIdT, SaHpiHsStateT)
                __attribute__ ((weak, alias("ohoi_set_hotswap_state")));

void * oh_request_hotswap_action (void *, SaHpiResourceIdT, SaHpiHsActionT)
                __attribute__ ((weak, alias("ohoi_request_hotswap_action")));

void * oh_get_indicator_state (void *, SaHpiResourceIdT,
                               SaHpiHsIndicatorStateT *)
                __attribute__ ((weak, alias("ohoi_get_indicator_state")));

void * oh_set_indicator_state (void *, SaHpiResourceIdT,
                               SaHpiHsIndicatorStateT)
                __attribute__ ((weak, alias("ohoi_set_indicator_state")));
void * oh_hotswap_policy_cancel (void *, SaHpiResourceIdT, SaHpiTimeoutT)
                __attribute__ ((weak, alias("ohoi_hotswap_policy_cancel")));